Window Form With C# For Aptech Accp 2007

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1. The DataRelation objects are used to enforce referential integrity.

Explanation

DataRelation objects are used to establish a relationship between two DataTable objects in a DataSet. This relationship can enforce referential integrity, which means that it ensures that the values in the foreign key column of a child table match the values in the primary key column of the parent table. By enforcing referential integrity, the DataRelation objects help maintain the consistency and accuracy of the data in the database. Therefore, the given statement is true.

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About This Quiz
Windows Quizzes & Trivia

Forms are the base unit of Windows applications, so they are essential to know about. They are enhanced with controls to create user interfaces and to manipulate data.... see moreHow much do you know about Windows form with regards to C#? see less

2. Property to determine for any mnenmonic characters associated with the control

Explanation

The property "isMnemonic" is used to determine if any mnemonic characters are associated with the control. Mnemonic characters are keyboard shortcuts that allow users to quickly navigate and interact with controls. This property is typically used to provide accessibility and improve the user experience by allowing users to easily access controls using keyboard shortcuts.

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3. .Net Framwork data provider for SQL Server allows access to Microsoft SQL Server

Explanation

The statement is true because the .Net Framework data provider for SQL Server is specifically designed to provide access to Microsoft SQL Server. It is a component of the .Net Framework that allows developers to interact with SQL Server databases and perform various operations such as querying, inserting, updating, and deleting data. This data provider includes classes and methods that enable seamless communication between the .Net application and SQL Server, making it easier to develop database-driven applications using Microsoft's database management system.

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4. Contains the SQL Server .Net data provider types.

Explanation

The correct answer is System.Data.SqlClient. This is because System.Data.SqlClient is the specific .Net data provider type for SQL Server. It is used to connect to and interact with SQL Server databases using the .Net framework. The other options listed are different data provider types for other databases such as Oracle, ODBC, and OleDb.

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5. The DataAdapter is used to link the DataSet to the data source.

Explanation

The DataAdapter is a class in ADO.NET that is used to establish a connection between a DataSet and a data source. It acts as a bridge between the two, allowing the DataSet to retrieve and update data from the data source. Therefore, the statement that the DataAdapter is used to link the DataSet to the data source is correct.

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6. Represents the data source for the control

Explanation

The correct answer is "DataSource". This option represents the data source for the control. In other words, it is the location or collection of data that the control retrieves and displays. The control uses the data from the data source to populate its content or perform operations on it. This could be a database, a web service, a file, or any other source of data. The DataSource property allows the control to establish a connection or reference to the appropriate data source.

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7. This property indicates whether columns can be generated automatically in DataGridView

Explanation

The AutoGenerateColumns property in DataGridView indicates whether columns can be generated automatically. When this property is set to true, the DataGridView will automatically generate columns based on the data source provided. This is useful when the structure of the data source is not known beforehand and you want to display all the available columns dynamically.

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8. Property of the button control used to specify the image.

Explanation

The correct answer is "Image" because the image property is used to specify the image that is displayed on the button control. This property allows the developer to set an image that visually represents the button's functionality or purpose. By setting the image property, the button control can display an icon or picture that enhances the user interface and provides visual cues to the user.

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9. Represents the current focused cells

Explanation

The CurrentCell property represents the current focused cell in a data grid or table. It is used to track and manipulate the currently selected cell in the grid. This property is commonly used in programming to perform actions or retrieve data specific to the selected cell, such as getting or setting cell values, applying formatting, or triggering events based on the selected cell.

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10. The MoveNext() method  of the BindingSource clas is used to navigate to a record in the DataSet.

Explanation

The MoveNext() method of the BindingSource class allows the user to move to the next record in the DataSet. This method is commonly used in data binding scenarios where the user needs to navigate through a set of records. By calling MoveNext(), the user can easily move to the next record and display its data. Therefore, the given answer "True" is correct.

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11. The Crystal Report Creation Wizard provides a step guide to generate report.

Explanation

The Crystal Report Creation Wizard is a tool that assists users in creating reports. It provides a step-by-step guide, helping users navigate through the process of generating a report. By following the wizard, users can easily define the data source, select the desired fields, apply filters, and customize the report layout. This feature simplifies the report creation process and ensures that users can effectively generate accurate and informative reports.

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12. Selection formulas help to filter or group the data displayed in the report.

Explanation

Selection formulas are used in reporting tools to specify the criteria for filtering or grouping data. By using selection formulas, users can define which data should be included or excluded from the report based on specific conditions. This allows for more targeted and customized reports, as only the relevant data is displayed. Therefore, the statement that selection formulas help to filter or group the data displayed in the report is true.

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13. The SplitContainer control is used to separate the form into horizontal or vertical panels

Explanation

The SplitContainer control is a useful tool in Windows Forms applications as it allows the user to divide the form into two resizable panels, either horizontally or vertically. This enables the user to adjust the size of each panel according to their preference. The SplitContainer control is commonly used in scenarios where the user needs to compare or view different sets of information simultaneously. Therefore, the statement "The SplitContainer control is used to separate the form into horizontal or vertical panels" is true.

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14. The TreeView control display data in hierarchical manner.

Explanation

The TreeView control is a graphical control element that displays data in a hierarchical manner, typically in the form of a tree structure. It allows users to navigate through the data by expanding or collapsing nodes. Therefore, the statement "The TreeView control displays data in a hierarchical manner" is true.

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15. The DateTimePickerFormat is used to specify a date format for the dateTimePicker control.

Explanation

The DateTimePickerFormat property is indeed used to specify a date format for the dateTimePicker control. By setting this property to a specific format, such as "Short", "Long", or "Custom", the control will display the date and time in the specified format. This allows developers to customize the appearance of the dateTimePicker control according to their needs.

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16. Navigates back to the previous table displayed in the control.

Explanation

The correct answer is "NavigateBack" because it suggests that the action being performed is to navigate back to the previous table displayed in the control. This implies that the user wants to go back to a previous view or screen, indicating a navigation action.

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17. The DataRow and DataColumn classes are you as a primary components of the DataTable class.

Explanation

The DataRow and DataColumn classes are indeed primary components of the DataTable class. These classes are used to represent the rows and columns of data within a DataTable object. The DataRow class represents a single row of data, while the DataColumn class represents a single column of data. Together, these classes allow for the storage and manipulation of tabular data within the DataTable class. Therefore, the statement "The DataRow and DataColumn classes are you as primary components of the DataTable class" is true.

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18. User-Defined dialog box can be defined as modal and modeless.

Explanation

A user-defined dialog box can be defined as both modal and modeless. Modal dialog boxes require the user to interact with them before they can return to the parent application, while modeless dialog boxes allow the user to interact with both the dialog box and the parent application simultaneously. Therefore, the statement "User-Defined dialog box can be defined as modal and modeless" is true.

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19. Store the SQL query results in DataTable object.

Explanation

The SqlDataAdapter class in .NET is used to store the results of an SQL query in a DataTable object. It provides a way to fill a DataTable or DataSet with the data retrieved from a database, and also allows for updating the database with any changes made to the DataTable. Therefore, using SqlDataAdapter is the correct way to store the SQL query results in a DataTable object.

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20. //Custom Control
Custom controls allow you to create reusable controls.

Explanation

Custom controls are designed to be reusable, meaning they can be used multiple times throughout an application or even in different applications. By creating custom controls, developers can encapsulate complex functionality into a single control, making it easier to maintain and reuse code. This can save time and effort in development as well as improve the overall quality and consistency of the application. Therefore, the statement "Custom controls allow you to create reusable controls" is true.

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21. User-Defined validation allows you to define the type of validation the user can perform.

Explanation

User-Defined validation allows users to define the type of validation they can perform. This means that users have the flexibility to customize and specify the validation rules according to their specific requirements. They can define the validation criteria, such as data format, range, or any other conditions, that need to be met for the input to be considered valid. This feature empowers users to tailor the validation process to suit their needs, enhancing the overall flexibility and usability of the system.

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22. Parameter fields help displaying the reports based on a criterion taken from the user

Explanation

Parameter fields are a feature in reporting tools that allow users to input specific criteria or values to filter the data displayed in a report. This helps in customizing the report output based on the user's requirements. By enabling users to define their own criteria, parameter fields enhance the flexibility and interactivity of reports, making them more useful and relevant to individual users. Therefore, the statement that parameter fields help display reports based on a criterion taken from the user is true.

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23. Property of TextBox control used to allow the user to enter text on multiple lines.

Explanation

The correct answer is "Multiline". The Multiline property of the TextBox control allows the user to enter text on multiple lines. This means that the user can press the Enter key to create a new line and continue typing. The other options listed, such as PromptChar, Image, MaxDropDownItems, and SelectedItem, do not relate to allowing the user to enter text on multiple lines.

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24. Event that occurs when the control is re-sized.

Explanation

The event that occurs when the control is resized is called "Resize". This event is triggered when the size of the control is changed, either by the user or programmatically. It allows the developer to perform certain actions or adjustments when the control's size is modified.

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25. Property used to retrieve or specify the maximum value for the control.

Explanation

The correct answer is "Maximum" because it refers to the property used to retrieve or specify the maximum value for the control. This property allows the user to set a maximum limit for the control, ensuring that the value cannot exceed this limit. It is commonly used in various controls such as sliders, progress bars, and numeric input fields to define the upper bound of the range.

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26. This method retrieves the form that contains this control.

Explanation

This answer suggests that the method mentioned is used to retrieve the form that contains a specific control. It implies that the method "GetForm" is likely a part of a larger program or code that deals with user interfaces or forms, and it allows the user to access or manipulate the form in some way. Without further context, it is difficult to determine the exact functionality or purpose of this method.

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27. Property that identifies the layout style of the items.

Explanation

The correct answer is LayoutStyle. The property that identifies the layout style of the items is called LayoutStyle. This property determines how the items in a list or container are arranged or displayed. It could be a flow layout, grid layout, or any other layout style that is supported by the programming framework or library being used.

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28. Contains the OLE DB .Net data provider types.

Explanation

The correct answer is System.Data.OleDb because it is the namespace that contains the OLE DB .Net data provider types. This namespace allows .NET applications to access data from a variety of data sources using the OLE DB technology.

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29. In DataGridView, this event occurs when the user clicks the cell.

Explanation

The CellClick event in a DataGridView occurs when the user clicks on a cell. This event is triggered when the user selects a cell in the DataGridView control. It can be used to perform certain actions or operations when a cell is clicked, such as updating the cell value or displaying additional information related to the clicked cell.

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30. Property of the ListBox control used to get or set the selected item.

Explanation

The SelectedItem property is used to get or set the selected item in a ListBox control. This property allows the user to retrieve the currently selected item in the ListBox or set a specific item as the selected item.

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31. The Start() method starts the Timer component.

Explanation

The Start() method is used to start the Timer component. This means that when the Start() method is called, the Timer component will begin running and executing its tasks. Therefore, the correct answer is True, as the Start() method does indeed start the Timer component.

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32. ADO.Net technology provides connection to various database systems.

Explanation

ADO.Net technology is a data access technology provided by Microsoft that allows developers to connect and interact with various database systems. It provides a set of classes and libraries that enable efficient and secure access to databases, including SQL Server, Oracle, MySQL, and more. With ADO.Net, developers can easily establish connections, retrieve and manipulate data, and perform other database operations. Therefore, the given statement is true.

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33. Connect to multiple databases such as Sybase and Oracle.

Explanation

The OledbDataAdapter is capable of connecting to multiple databases such as Sybase and Oracle. It is a data adapter that is specifically designed to work with OLE DB data sources, which allows it to connect to various types of databases including Sybase and Oracle. Therefore, it is the correct answer for the given question.

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34. This event occurs after the value of the cell changes in DataGridView.

Explanation

The CellValueChanged event occurs after the value of a cell in a DataGridView changes. This event is triggered when the user edits the cell or when the cell value is changed programmatically. It allows you to perform specific actions or validations based on the new value of the cell. The other options mentioned (AutoGenerateColumns, CellClick, NotifyCurrentCellDirty, CommitEdit) do not specifically relate to the event that occurs after the value of the cell changes.

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35. The untype dataset is used on data that does not have static or predicable structure.

Explanation

The statement is true because untype datasets are used for data that does not have a static or predictable structure. In other words, untype datasets are flexible and can handle various types of data without predefined schemas or structures. This allows for more versatility in analyzing and processing data that may not conform to a specific format or pattern.

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36. Composite controls are reused across multiple application.

Explanation

Composite controls are reusable controls that can be used in multiple applications. This means that instead of creating the same control from scratch for each application, the composite control can be used as a template and easily integrated into different applications. This allows for consistency and efficiency in development, as well as easier maintenance and updates. Therefore, the statement that composite controls are reused across multiple applications is true.

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37. The RefereshReport() method of the CrystalReportViewer class refereshes the report after it has been changed.

Explanation

The RefreshReport() method of the CrystalReportViewer class is used to refresh the report after any changes have been made. This means that if any modifications or updates have been made to the report, calling the RefreshReport() method will display the updated version of the report. Therefore, the statement "True" is correct as the RefreshReport() method does indeed refresh the report after it has been changed.

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38. Controls allows you to select values from a list using the up and down arrows.

Explanation

Selection List controls allow users to choose values from a list by using the up and down arrows. This type of control is commonly used when there are multiple options to choose from and the user can only select one option at a time. The up and down arrows provide an intuitive way for users to navigate through the list and make their selection. Other types of controls mentioned, such as Grouping controls, Value Setting controls, Basic control, and Menu controls, do not specifically offer the functionality of selecting values from a list using arrows.

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39. Controls allow you to organize controls in a group.

Explanation

Grouping controls allow you to organize controls in a group. This means that you can gather related controls together and present them as a single entity. Grouping controls can improve the user experience by making it easier for users to locate and interact with the controls they need. It also helps in organizing and structuring the user interface, making it more visually appealing and intuitive.

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40. Controls allow you to create menus.

Explanation

Menu controls allow you to create menus.

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41. Method used to display the control to the user.

Explanation

The "Show" method is used to display the control to the user. It is a method that is called on a control object to make it visible on the screen. This method can be used to show a hidden control or to bring a control that is already visible to the front. By calling the "Show" method, the control becomes visible and can be interacted with by the user.

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42. Modeless dialog boxes allow you to work with the application on which the dialog box is placed.

Explanation

Modeless dialog boxes are designed to allow users to interact with the application while the dialog box is open. Unlike modal dialog boxes, which require users to close the dialog box before interacting with the application, modeless dialog boxes do not block user input and allow for multitasking. This means that users can continue working with the application while the dialog box is open, making the statement "Modeless dialog boxes allow you to work with the application on which the dialog box is placed" true.

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43. This property identifies the current position in the list.

Explanation

The property "Position" is used to identify the current position in the list. It allows the user to keep track of the current item being accessed or modified within the list. This property is commonly used in programming languages or frameworks that involve working with lists or collections, as it provides a convenient way to navigate through the elements.

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44. The ReportSource property helps in specifying which report the CrystalReportViewer control should be bound to

Explanation

The ReportSource property is used to specify the report that the CrystalReportViewer control should display. By setting this property to a specific report, the control will bind to that report and render it in the viewer. This allows for dynamic switching between different reports without having to recreate the viewer control. Therefore, the statement that the ReportSource property helps in specifying which report the CrystalReportViewer control should be bound to is true.

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45. Indicates whether the form is minimized or maximized.

Explanation

The WindowState property in a form indicates whether the form is minimized, maximized, or in normal state. It can have values such as Minimized, Maximized, or Normal. This property determines the initial state of the form when it is loaded or activated.

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46. Property of MaskTextBox control used to denote missed input.

Explanation

The PromptChar property is used to denote missed input in a MaskTextBox control. This property allows you to specify a character that will be displayed in the input field as a placeholder for characters that are required but not yet entered. By setting the PromptChar property, you can visually indicate to the user which parts of the input are still missing.

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47. Method used to specify or retrieve the value assigned to the control.

Explanation

The term "Value" is the correct answer because it refers to the method used to specify or retrieve the value assigned to the control. This suggests that the control in question has a value associated with it, and this value can be accessed or modified using the "Value" method.

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48. Property used to set the background color of the title region.

Explanation

The correct answer is "TittleBackColor" because it is the property that is used to set the background color of the title region.

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49. Property used to identity the date with a circle.

Explanation

The property "ShowTodayCircle" is used to identify the date with a circle. This property is likely used in a program or application that displays a calendar or date picker. When this property is set to true, it will visually indicate the current date by drawing a circle around it.

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50. The MenuStrip control helps you to add menus, modify and reorder menus.

Explanation

The MenuStrip control is a tool in programming that allows users to add menus, make changes to existing menus, and rearrange the order of menus. This control is commonly used in graphical user interfaces to provide a convenient and organized way for users to navigate through different options and commands. Therefore, the statement "The MenuStrip control helps you to add menus, modify and reorder menus" is true.

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51. This method generates a Click event for the MenuItem.

Explanation

The method "PerformClick" is used to generate a Click event for the MenuItem. This means that when this method is called, it simulates a user clicking on the MenuItem, triggering any associated event handlers.

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52. Puts the control in the editable state.

Explanation

The correct answer is "BeginEdit" because it suggests that this action puts the control in an editable state. This implies that the control will allow the user to make changes or input data.

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53. The CrystalreportViewer control binds the report to the application

Explanation

The CrystalreportViewer control is a tool that allows the application to display Crystal Reports. By binding the report to the application, the control enables the report to be viewed and interacted with by the user. Therefore, the statement "The CrystalreportViewer control binds the report to the application" is true.

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54. Method to place  the focus on the control

Explanation

The correct answer is "Focus" because it is the most direct and commonly used method to place the focus on a control. By calling the "Focus" method on a control, it will become the active control, allowing the user to interact with it immediately. This method is often used in user interfaces to guide the user's attention and ensure proper input handling.

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55. Property used to specify or retrieve the flat style of the control.

Explanation

The correct answer is FlatStyle. FlatStyle is the property used to specify or retrieve the flat style of a control. This property determines the appearance of the control, allowing it to be displayed with a flat or 3D look. It can be used to create a modern and sleek design for the control by setting it to Flat, or to give it a more traditional and raised appearance by setting it to 3D.

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56. The FixedPanel property is used to specify which panel of a SplitContainer control is not resize while changing the size of the form.

Explanation

The FixedPanel property in a SplitContainer control is used to determine which panel remains fixed or unresizable when the form's size is changed. By setting the FixedPanel property to a specific panel, that panel will maintain its size while the other panel(s) resize accordingly. This allows for a more flexible and customizable layout for the SplitContainer control.

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57. Event that occurs when the value of the Value property is changed.

Explanation

The correct answer is "ValueChanged" because it is the event that occurs when the value of the Value property is changed. This event is triggered whenever the value of the property is modified, allowing the program to respond and perform any necessary actions or updates based on the new value.

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58. The ProgressBar control implements visual styles.

Explanation

The ProgressBar control implements visual styles, meaning that it can be customized to match the overall visual theme of the application. This allows the progress bar to blend seamlessly with the rest of the user interface, providing a more polished and professional look. By implementing visual styles, the ProgressBar control enhances the overall user experience and improves the aesthetic appeal of the application.

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59. The Format property of the DateTimePicker control is used to display standard and custom date formats.

Explanation

The Format property of the DateTimePicker control allows the user to specify how the date and time should be displayed. It can be used to display standard date formats such as short date, long date, or custom date formats. This property is used to ensure that the date is displayed in the desired format for the user. Therefore, the statement "True" is correct.

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60. This property indicates whether the text is displayed form right to left.

Explanation

The correct answer is "RightToLeft" because this property specifically relates to the display of text from right to left. It is used to determine whether the text in a user interface element should be displayed in a right-to-left orientation, such as in languages like Arabic or Hebrew.

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61. In ToolStrip class, Event that occurs when an items is clicked.

Explanation

The correct answer is "ItemClicked" because this event specifically occurs when an item in the ToolStrip class is clicked. This event allows the program to respond to user interactions with the items in the ToolStrip, such as buttons or menu items, and perform certain actions based on the user's selection.

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62. In ToolStrip class, Property that is used to identify the displayed image.

Explanation

The correct answer is ImageList. In the ToolStrip class, the ImageList property is used to identify the displayed image. This property allows you to associate an ImageList control with the ToolStrip, which contains a collection of images that can be used as icons for the items in the ToolStrip. By setting the ImageList property, you can easily assign images to the items in the ToolStrip and display them accordingly.

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63. Contains the Oracle .Net data provider.

Explanation

The correct answer is System.Data.OracleClient. This is because the System.Data.OracleClient namespace contains the Oracle .Net data provider, which allows .Net applications to connect to Oracle databases.

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64. Represents the index of the focused row.

Explanation

The correct answer is "CurrentRowIndex" because it represents the index of the focused row. This property is commonly used in data grid controls to determine the index of the currently selected or focused row. It can be useful for performing operations or accessing data related to the selected row in the data source.

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65. This property identifies the current item.

Explanation

The property "Current" is the one that identifies the current item.

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66. Composite control are used for creating custom graphical interfaces.

Explanation

Composite controls are indeed used for creating custom graphical interfaces. A composite control is a combination of multiple controls or elements that are grouped together to create a new control with its own unique functionality. These controls are often used when the standard controls provided by a programming framework or library are not sufficient to meet the requirements of a specific user interface design. By combining and customizing different controls, developers can create complex and specialized graphical interfaces tailored to their specific needs. Therefore, the statement that composite controls are used for creating custom graphical interfaces is true.

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67. This property identifies the file, while printing to a file

Explanation

The correct answer is "PrinterFileName" because this property specifically refers to the name of the file that is being printed to. It helps to identify the file that is being printed, distinguishing it from other files or documents. The other options, such as InstalledPrinters, PrinterName, ToPage, and ToString, do not directly relate to identifying the file while printing.

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68. Provides the BingdingSource component.

Explanation

The correct answer is Data Binding Model. The BingdingSource component is used in data binding to connect a data source to a data-bound control. It allows for synchronization of data between the data source and the control, enabling automatic updating of the control when the data changes. This component is an essential part of the data binding model, which is used to establish a connection between data and user interface elements in an application.

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69. Provide the MaskedTextBox and WebBrowser controls.

Explanation

The explanation for the given correct answer is that the question is asking for two specific controls, the MaskedTextBox and WebBrowser controls, which are both part of the Windows Form Controls. These controls are used in Windows Forms applications to provide input validation and display web content respectively. Therefore, the correct answer is Windows Form Controls.

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70. Event that is raised when a date is selected using the mouse.

Explanation

The correct answer is "DateSelected" because it is the event that is raised when a date is selected using the mouse. This event allows the program to perform certain actions or display information based on the selected date.

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71. ToolStrip is the base class for MenuStrip, StatusStrip , and ContextMenuStrip classes

Explanation

The statement is true because ToolStrip is indeed the base class for MenuStrip, StatusStrip, and ContextMenuStrip classes. This means that these classes inherit properties and methods from the ToolStrip class, allowing them to have similar functionality and behavior.

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72. In ToolStrip class, Property that retrieves all the items of the control.

Explanation

The correct answer is "Items". In the ToolStrip class, the "Items" property is used to retrieve all the items of the control. This property allows access to the collection of items that are displayed on the ToolStrip control. It can be used to add, remove, or modify the items in the collection, providing a way to manage and manipulate the items in the ToolStrip control.

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73. Collapses child relations for all the rows in DataGrid.

Explanation

The correct answer is "Collapse". This function is used to collapse child relations for all the rows in a DataGrid. It is likely that the other options listed are unrelated functions or methods that are not relevant to collapsing child relations in a DataGrid.

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74. The property determines whether the control is checked

Explanation

The property "Checked" is used to determine whether a control is checked or not. It is typically used in controls such as checkboxes or radio buttons to indicate whether they are selected or not. The "Checked" property can be accessed and modified through events such as "CheckStateChanged" or "CheckChanged". The "Select" property is unrelated to determining the checked state of a control.

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75. The CustomColors property is used to set or get the custom colors of the ColorDialog component.

Explanation

The CustomColors property is indeed used to set or get the custom colors of the ColorDialog component. This property allows the user to specify a custom set of colors that will be displayed in the color dialog box. By setting this property, the user can customize the available colors to match their specific needs or preferences. Therefore, the given answer "True" is correct.

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76. The AllowOrientation property is used to get or set a value whether the user canspecify the orientation of a page.

Explanation

The explanation for the given correct answer is that the AllowOrientation property allows the user to specify the orientation of a page. By setting this property to true, the user is given the ability to choose whether the page should be in portrait or landscape orientation.

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77. In ToolStrip class, Method that displays the control to the user.

Explanation

The method "Show" in the ToolStrip class is used to display the control to the user. This method is responsible for showing the ToolStrip control on the screen, allowing the user to interact with it.

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78. The OleDbDataAdapter class is used to connect to multiple databases such as SQL, Oracle and MS Access.

Explanation

The OleDbDataAdapter class is a part of the ADO.NET framework and is specifically designed to connect to multiple databases such as SQL, Oracle, and MS Access. It provides a way to retrieve and manipulate data from these databases using the OleDb data provider. Therefore, the statement "The OleDbDataAdapter class is used to connect to multiple databases such as SQL, Oracle and MS Access" is true.

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79. The DataGridView control allows you to set the same appearance for the cells having similar kind of data.

Explanation

The statement is true because the DataGridView control in programming allows for the customization of the appearance of cells based on the type of data they contain. This means that cells with similar kinds of data can have the same appearance, making it easier for users to interpret and interact with the data displayed in the control.

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80. This method retrieves xml schema and data into the DataSet.

Explanation

The ReadXml method is used to retrieve XML schema and data into a DataSet. It allows the DataSet to read and populate its tables with the XML data. This method is commonly used when working with XML data sources and provides a convenient way to import and manipulate XML data within a DataSet.

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81. Customize design allows you to specify the appearance of  standard controls on the custom

Explanation

The statement is true because the "customize design" feature allows users to define the visual aspects of standard controls on a custom interface. This means that users have the ability to modify the appearance, such as colors, fonts, sizes, and layouts, of the standard controls according to their preferences or branding requirements.

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82. The event occurs when the value of the CheckSate property is changed

Explanation

The correct answer is "CheckStateChanged". This event occurs when the value of the CheckState property is changed. When the user checks or unchecks a checkbox, the CheckState property is updated, and the CheckStateChanged event is triggered. This event is useful for performing actions whenever the checkbox's state changes, such as updating other controls or performing calculations based on the checked state.

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83. Event that occurs when the style of control is modified.

Explanation

The correct answer is "StyleChanged" because this event is triggered when the style of a control is modified. This event allows developers to perform certain actions or make necessary adjustments when the style of a control is changed. It provides a way to handle any changes in the appearance or behavior of the control, ensuring that the control functions correctly and maintains the desired style.

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84. Property used to set or get the image to be displayed in the control.

Explanation

The property used to set or get the image to be displayed in the control is the "Image" property. This property allows the user to specify the image that should be displayed within the control.

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85. Method used to load a graphic asynchronous

Explanation

The correct answer is "LoadAsysnc". This method is used to load a graphic asynchronously, meaning that it loads the graphic in the background while allowing other operations to continue. This is useful for scenarios where you don't want the loading of the graphic to block the user interface or other processes. By using LoadAsysnc, the graphic can be loaded in the background without affecting the performance of the application.

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86. RDO and  ADO depends on two-tier client-server architecture.

Explanation

RDO (Remote Data Objects) and ADO (ActiveX Data Objects) are both data access technologies that are used in client-server architecture. In a two-tier client-server architecture, the client application directly communicates with the database server, without any intermediaries. RDO and ADO provide the necessary tools and libraries for the client application to establish a connection with the database server and perform various data operations. Therefore, it is true that RDO and ADO depend on two-tier client-server architecture.

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87. The DataViewmanager class ensures that the information from each table is fetch correctly.

Explanation

The DataViewManager class is responsible for managing the data views of multiple tables in a dataset. It ensures that the information from each table is fetched correctly by providing a unified interface to access and manipulate the data. This class helps in maintaining data consistency and integrity by handling relationships and constraints between tables. Therefore, the statement that the DataViewManager class ensures that the information from each table is fetched correctly is true.

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88. Links a DataSet to the MS Access database for retrieving and saving data.

Explanation

The OleDbDataAdapter class is used to link a DataSet to an MS Access database for retrieving and saving data. It provides methods for executing SQL commands and retrieving data from the database into the DataSet, as well as updating the database with changes made in the DataSet. Therefore, OleDbDataAdapter is the correct answer for this question.

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89. This event occurs when the current item in list is changed in CurrencyManager class.

Explanation

The event "ItemChanged" occurs when there is a change in the current item in the list managed by the CurrencyManager class. This event is triggered whenever the current position in the list is modified, indicating that the current item has been changed. It is commonly used in data binding scenarios to update the UI or perform any necessary actions when the current item in the list is modified.

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90. The ViewCount property of CrystalReportViewer class gets the number of views for the viewer control.

Explanation

The ViewCount property of the CrystalReportViewer class returns the number of views for the viewer control. This means that it keeps track of how many times the viewer control has been accessed or viewed. By using this property, developers can retrieve this information and use it for various purposes, such as tracking the popularity of a report or monitoring user activity. Therefore, the statement "True" is correct, as the ViewCount property does indeed provide the number of views for the viewer control.

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91. This property indicates the last page number to print.

Explanation

The property "ToPage" is the correct answer because it indicates the last page number to print. This property is likely used in a printing application or program to specify the ending page for a print job. By setting the value of "ToPage", the user can control how many pages should be printed, allowing for more flexibility and customization in the printing process.

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92. This method select all text in  the control in RichTextBox.

Explanation

The correct answer is "SelectAll" because this method is used to select all the text in the control in RichTextBox.

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93. In RichTextBox , This method adds text after the current text to the control.

Explanation

The AppendText method in RichTextBox is used to add text after the current text in the control. This means that if there is already existing text in the RichTextBox, the AppendText method will add the new text after it, without removing or replacing the existing text. This is different from other options like SelectAll, TextChanged, Text, and SelectedText, which perform different actions in relation to the text in the RichTextBox control.

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94. An MDI application suport maximum two parent form.

Explanation

An MDI (Multiple Document Interface) application actually supports multiple parent forms, not just two. In an MDI application, multiple child forms can be displayed within a single parent form, allowing users to work with multiple documents or windows simultaneously. This allows for a more efficient and organized user interface, as users can easily switch between different documents or windows within the application. Therefore, the correct answer is false.

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95. Property used to determine whether the form is a child form.

Explanation

The property "IsMdiChild" is used to determine whether a form is a child form in a Multiple Document Interface (MDI) application. This property returns a boolean value indicating whether the form is a child form or not. It is commonly used to perform different actions or apply specific logic based on whether the form is a child form or not.

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96. The contextMenu class exists in the System.Windows.Forms namespace.

Explanation

The explanation for the given answer is that the contextMenu class does indeed exist in the System.Windows.Forms namespace. This class provides functionality for creating and managing context menus in Windows Forms applications. By using this class, developers can easily add context menus to their user interfaces and customize their appearance and behavior.

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97. A ToolStrip control can create toolbars that provides a common look and feel across the form.

Explanation

A ToolStrip control is a versatile control in .NET that allows the creation of toolbars with various functionality. It provides a common look and feel across the form, ensuring consistency in the user interface. This means that all the toolbars created using the ToolStrip control will have the same appearance and behavior, enhancing the user experience and making the application more professional and cohesive. Therefore, the statement "A ToolStrip control can create toolbars that provides a common look and feel across the form" is true.

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98. The typed DataSet is inherited from the DataSet class.

Explanation

The statement is true because a typed DataSet is indeed inherited from the DataSet class. A typed DataSet is a subclass of the DataSet class that provides additional functionality by generating a class for each table and column in the dataset. This allows for type-safe access to the data within the dataset, making it easier to work with and manipulate the data.

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99. This method removes rows in all tables.

Explanation

The "Clear" method is used to remove all rows in all tables within a dataset. This means that it clears the data stored in the dataset, making it empty. The other options listed (GetType, Locale, Readxml) do not perform this action of removing rows in all tables. Therefore, the correct answer is "Clear".

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100. This method exports the report displayed in the control

Explanation

The given correct answer is "ExportReport". This method is used to export the report that is currently displayed in the control. It allows the user to save the report in different file formats such as PDF, Excel, or Word. By using this method, the user can easily share or archive the report for future reference or analysis.

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101. This method prints the report displayed in the control.

Explanation

The given correct answer, "PrintReport," suggests that this method is responsible for printing the report displayed in the control. It is likely that this method takes the necessary data from the control and formats it into a printable format, such as a PDF or a physical printout. By selecting this option, the user can initiate the printing process for the report.

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102. This event occurs when the user navigates through a report.

Explanation

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103. The Control class is used to create custom controls

Explanation

The Control class is indeed used to create custom controls in programming. This class serves as a base for creating new controls with custom functionality and appearance. By inheriting from the Control class, developers can define their own properties, methods, and events for the control, allowing for greater flexibility and customization in user interface design.

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104. Property to retrieve a value indicating whether the control is focused

Explanation

The correct answer is "Focused" because it is the property that retrieves a value indicating whether the control is currently focused. This property is used to determine if a control has the user's attention and is ready to receive input.

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105. A Panel control is displayed without a border on a form

Explanation

A Panel control is a graphical container that can hold other controls. By default, a Panel control is displayed without a border on a form. This allows the Panel control to blend seamlessly with the form and provide a clean and cohesive user interface. The absence of a border also allows for more flexibility in designing the layout of the controls within the Panel. Therefore, the statement "A Panel control is displayed without a border on a form" is true.

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106. Method used to re-draw the dates in bold to view the list of the bolded dates.

Explanation

The correct answer is "UpdateBoldedDates" because it is the method used to re-draw the dates in bold and view the list of the bolded dates. This method is likely used in a program or application that allows users to mark certain dates as important or significant, and then updates the display to show those dates in bold.

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107. Method used to display a date in bold on an annual basis.

Explanation

The correct answer is "AddAnuallyBoldedDate" because this method suggests that it is used to add dates that should be displayed in bold on an annual basis. This implies that the method is responsible for adding dates to a list or calendar that will be highlighted or formatted differently to indicate their significance.

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108. In MDI, A parent form remains open even if all the child forms are closed

Explanation

In MDI (Multiple Document Interface), a parent form remains open even if all the child forms are closed. This means that the main form or container form in an MDI application will continue to be displayed even when all of its child forms have been closed. This allows the user to easily open new child forms or perform other actions within the application without having to reopen the parent form each time.

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109. Data provider helps in connecting to the database, performing operations and also retrieving results.

Explanation

A data provider is a software component that allows applications to connect to a database and interact with it. It facilitates operations such as inserting, updating, and deleting data, as well as retrieving results from the database. Therefore, the statement that a data provider helps in connecting to the database, performing operations, and retrieving results is true.

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110. The Fill() method uses the DataSet name to add or refresh rows in the DataSet to match with those in the data source.

Explanation

The Fill() method is used to add or refresh rows in the DataSet to match with those in the data source. By using the DataSet name, the Fill() method ensures that the rows in the DataSet are synchronized with the data source, allowing for accurate and up-to-date data retrieval and manipulation. Therefore, the statement "The Fill() method uses the DataSet name to add or refresh rows in the DataSet to match with those in the data source" is true.

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111. This property specifies the source of the report to be bound.

Explanation

The property "ReportSource" is used to specify the source of the report that needs to be bound. This could refer to a file, a database, or any other source from where the report data is retrieved. By setting the "ReportSource" property, the report is connected to the appropriate data source, allowing it to fetch and display the required information accurately.

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112. Windows Forms can access a database, which exists on another machine.

Explanation

Windows Forms can access a database on another machine by establishing a network connection between the client machine and the server machine where the database is located. This can be achieved by using appropriate connection strings and network protocols such as TCP/IP. The client application can then interact with the remote database by sending queries and receiving results over the network connection. Therefore, the statement "Windows Forms can access a database, which exists on another machine" is true.

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113. The DataView class supports searching and navigating records of a table.

Explanation

The explanation for the given correct answer is that the DataView class in programming provides support for searching and navigating records within a table. This means that with the help of DataView, one can easily search for specific records or navigate through the table to access different records. Therefore, the statement "The DataView class supports searching and navigating records of a table" is true.

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114. This property specifies or retrieves the parent container associated with control.

Explanation

This property refers to the parent container that is associated with the control. It allows the control to be placed within a larger container, such as a panel or a form. The parent container provides the control with a context and determines its position and behavior within the overall user interface. By accessing this property, developers can manipulate the control's relationship with its parent container and perform actions or retrieve information related to it.

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115. Custom control are programmatically used in your application by using the namspace in which the control is create.

Explanation

Custom controls are created within a specific namespace in an application and can be used programmatically. This means that developers can use the custom control in their code by referencing the namespace in which the control is created. Therefore, the statement "Custom control are programmatically used in your application by using the namespace in which the control is create" is true.

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116. Allows the user to preview the report before generating it

Explanation

The correct answer is "Viewing Report" because it allows the user to preview the report before generating it. This functionality is important as it enables the user to check the accuracy and formatting of the report before finalizing it. By providing a preview option, the user can make any necessary adjustments or corrections to the report, ensuring that the final generated version is accurate and meets their requirements.

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117. A crystal report supports the .doc format for exporting the report

Explanation

A crystal report supports the .doc format for exporting the report. This means that users can export their crystal reports in the .doc format, which is commonly used for word processing documents. This allows for easy sharing and editing of the report in programs such as Microsoft Word.

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118. The ToolStripContainer control is a new control introduced in Window Forms

Explanation

The explanation for the given correct answer is that the ToolStripContainer control is indeed a new control introduced in Windows Forms. This control provides a container for hosting ToolStrip controls, which are commonly used for creating toolbars and menus in Windows Forms applications. The ToolStripContainer control allows for easy layout and management of these ToolStrip controls within a form, providing a convenient and efficient way to organize and display various tools and options for the user. Therefore, the statement "The ToolStripContainer control is a new control introduced in Windows Forms" is true.

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119. In RichTextBox , This property specify specifies or retrieves the selected text within the control.

Explanation

The SelectedText property in RichTextBox is used to specify or retrieve the selected text within the control. This means that it allows the user to access and manipulate the text that is currently selected in the RichTextBox. It can be used to retrieve the selected text for further processing or to replace the selected text with new content.

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120. This property specifies or retrieves the DataSet name.

Explanation

The correct answer is "DataSetName". This property is used to specify or retrieve the name of a DataSet. It is commonly used when working with multiple datasets or when referencing a specific dataset within a program. By setting or accessing the DataSetName property, developers can easily identify and manipulate specific datasets within their code.

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121. This method retrieves the type of the current instance.

Explanation

The correct answer is "GetType". This method is used to retrieve the type of the current instance. It returns a Type object that represents the exact runtime type of the current instance.

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122. The DataTable object is used to as a case- sensitive object  if the casing of two tables with the same name differs.

Explanation

The DataTable object is used as a case-sensitive object, meaning that it considers the casing of two tables with the same name to be different. This means that if there are two tables named "Table1" and "table1", the DataTable object will treat them as separate tables.

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123. Data binding allows you to fetch multiple tables simultaneously

Explanation

Data binding is a technique that allows you to establish a connection between the data source and the user interface, enabling automatic synchronization of data. It does not specifically enable fetching multiple tables simultaneously. However, data binding can be used in conjunction with other techniques or frameworks that support fetching multiple tables, such as database queries or APIs. Therefore, the statement is true as data binding can be used in scenarios where multiple tables are fetched simultaneously, but it is not the sole mechanism for achieving this functionality.

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124. This method triggers  the Paint event

Explanation

This method, OnPaint, triggers the Paint event.

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125. The ToolboxBitmapAttribute class is used to specify a particular image for the custom control.

Explanation

The statement is true because the ToolboxBitmapAttribute class is indeed used to specify a particular image for a custom control. This attribute allows developers to associate an image with a custom control, which will then be displayed in the toolbox when the control is selected. This can help users easily identify and differentiate between different controls in the toolbox, making it a useful feature for custom control development.

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126. An MDI application increases the risk of data inconsistency while working with multiple child forms.

Explanation

An MDI (Multiple Document Interface) application allows users to work with multiple child forms within a single parent window. This can increase the risk of data inconsistency because different child forms may have their own separate data and it can be challenging to synchronize and update this data accurately across all forms. This can lead to inconsistencies where different forms display conflicting or outdated information, potentially causing errors or confusion for the user.

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127. This method makes the changes in the current cell to the data cache in DataGridview.

Explanation

The CommitEdit method is used to save any changes made to the current cell in the DataGridView to the data cache. This method ensures that the changes are committed and not lost when navigating away from the cell or row. By calling the CommitEdit method, the changes are immediately saved and the underlying data source is updated. This is particularly useful when working with bound data in the DataGridView, as it allows for real-time updates and synchronization between the UI and the data source.

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128. The Controls class is the parent class of all graphic controls

Explanation

The statement is true because the Controls class serves as the parent class for all graphic controls in a programming language. This means that any graphic control, such as buttons, checkboxes, or text boxes, will inherit properties and methods from the Controls class. Inheritance allows for code reusability and helps in organizing and structuring the different types of graphic controls in a program. Therefore, the Controls class being the parent class for all graphic controls is a valid statement.

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129. In RichTextBox , This event occurs when the value of Text property value is modified .

Explanation

The TextChanged event occurs in a RichTextBox when the value of its Text property is modified. This means that whenever the text within the RichTextBox is changed, this event is triggered. It is commonly used to perform actions or updates based on the changes made to the text in the RichTextBox.

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130. Navigates to the table by relation name in DataGrid

Explanation

The correct answer is "NavigateTo" because it suggests that the action being performed is navigating to a specific location or item, such as a table, in the DataGrid. The other options, such as BeginEdit, NavigateBack, IsExpanded, and Collapse, do not imply the same action of navigating to a specific location.

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131. Property used to retrieve or specify the increment or decrement number

Explanation

The correct answer is "Increment" because it is the property used to retrieve or specify the increment or decrement number. This property is commonly used in programming to control the amount by which a value is increased or decreased. By setting the increment value, you can control the step size for incrementing or decrementing a variable or value.

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132. Display the number indicating minutes

Explanation

The correct answer is "m" because "m" is commonly used as an abbreviation for minutes. In the given question, the prompt asks for the display of the number indicating minutes, and "m" is the most suitable option to represent minutes in this context.

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133. Property used to retrieve the active child  form.

Explanation

The property used to retrieve the active child form in a multiple document interface (MDI) application is ActiveMdiChild. This property returns the currently active child form within the MDI container.

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134. The connection to original database is closed once a request is processed in disconnected data access model.

Explanation

In disconnected data access model, the connection to the original database is closed once a request is processed. This means that the application retrieves the data from the database, disconnects from it, and then processes the data locally. This approach allows for better performance and scalability, as the application does not need to maintain a continuous connection to the database. Therefore, the statement "The connection to original database is closed once a request is processed in disconnected data access model" is true.

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135. The ListChanged event of the DtaViewManager class occurs when a row is delected from the DataView.

Explanation

The ListChanged event of the DataViewManager class is triggered when there is a change in the underlying data source of the DataView. This includes when a row is deleted from the DataView. Therefore, the statement "The ListChanged event of the DataViewManager class occurs when a row is deleted from the DataView" is true.

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136. Links a DataSet to the SQL database for retrieving and saving data.

Explanation

SqlDataAdapter is the correct answer because it is a class in the .NET framework that is used to link a DataSet to a SQL database for retrieving and saving data. It provides methods for executing SQL commands and populating the DataSet with the results. This allows developers to easily interact with a SQL database and manipulate data using the DataSet object. OleDbDataAdapter, on the other hand, is used for accessing data from different types of databases, such as Microsoft Access.

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137. Update itself to all the latest service packs and fixes.

Explanation

The given correct answer for this question is "Security". This suggests that the primary purpose of the update is to ensure the security of the system. By updating to the latest service packs and fixes, any vulnerabilities or weaknesses in the system can be addressed, reducing the risk of unauthorized access, data breaches, or other security threats.

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138. The ReportDocument class exists in CrystalDecisions.CrystalReports.Engine namespace

Explanation

The explanation for the given correct answer is that the ReportDocument class does indeed exist in the CrystalDecisions.CrystalReports.Engine namespace. This class is used in Crystal Reports to represent a report document, allowing developers to manipulate and generate reports programmatically.

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139. The method actives the control

Explanation

The given correct answer, "Select," suggests that the method is responsible for activating or selecting a control. This implies that the method is used to choose or highlight a particular option or item among a set of choices or controls. The other options, such as "Checked," "CheckStateChanged," "CheckState," and "CheckChanged," do not directly imply the action of selecting or activating a control, making them incorrect choices.

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140. In RichTextBox, This property specifies or retrieves the text in the control.

Explanation

The "Text" property in RichTextBox is used to specify or retrieve the text in the control. This property allows you to set or get the complete text content of the RichTextBox. It is commonly used to manipulate or display the text within the control.

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141. Support alpha blending and texture brushes.

Explanation

The correct answer is Rich Graphics. Rich Graphics refers to the ability of a software or application to display high-quality and visually appealing graphics. This can include features such as alpha blending, which allows for the blending of colors and transparency effects, and the use of texture brushes, which can add depth and texture to graphics. These features are important in creating visually engaging and immersive experiences for users.

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142. The Rezise event of the group box control is invoked when the size of the control automatically changes.

Explanation

The Resize event of the group box control is triggered when the size of the control changes automatically. This event allows the programmer to perform certain actions or make adjustments based on the new size of the group box. Therefore, the statement "True" is correct as it accurately describes the functionality of the Resize event in relation to the group box control.

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143. A ToolStrip control can reorder items at runtime.

Explanation

A ToolStrip control in a graphical user interface allows users to customize and rearrange items at runtime. This means that users can change the order of items within the ToolStrip control according to their preferences or needs. Therefore, the statement "A ToolStrip control can reorder items at runtime" is true.

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144. This method resumes data binding in CurrencyManager class.

Explanation

The answer "ResumeBinding" suggests that the method mentioned in the question is responsible for resuming data binding in the CurrencyManager class. This method is likely used to re-establish the connection between the data source and the controls that display the data. By calling the ResumeBinding method, any previously paused or suspended data binding operations can be resumed, allowing the data to be updated and displayed correctly.

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145. In Data binding, Examples of data providers include arrays and data tables

Explanation

Data binding is a technique used to connect the data source with the user interface elements. It allows automatic synchronization between the data and the UI, ensuring that any changes in the data source are reflected in the UI and vice versa. In this context, data providers are the sources from which the data is obtained for binding. Examples of data providers can include arrays and data tables, as they can store and provide data that can be bound to UI elements. Therefore, the given statement that examples of data providers include arrays and data tables is correct.

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146. Method is used to specify the next control to navigated according to the tab order.

Explanation

The method "SetNextControl" is used to specify the next control to be navigated according to the tab order. This means that when the user presses the tab key, the focus will move to the control specified by this method. This method is commonly used in user interfaces to control the order in which controls receive focus, allowing for a more efficient and intuitive navigation experience for the user.

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147. In MDI, A child form remains open even when the parent form is closed.

Explanation

In MDI (Multiple Document Interface), a child form is always closed when the parent form is closed. This means that when the parent form is closed, all the child forms associated with it will also be closed. Therefore, the correct answer is False.

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148. Acts as a link between a DataSet and a data source.

Explanation

The DataAdapter object is used to connect a DataSet object with a data source. It acts as a bridge between the two, allowing the DataSet to retrieve and update data from the data source. The DataAdapter handles the communication and synchronization between the DataSet and the data source, ensuring that any changes made to the DataSet are reflected in the data source and vice versa. This makes it easier to work with disconnected data and enables efficient data manipulation and updates.

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149. The DataRelation objects are used to enter duplicate values in a column of the table.

Explanation

DataRelation objects are not used to enter duplicate values in a column of a table. DataRelation objects are used to establish a relationship between two tables in a dataset, allowing for data to be related and retrieved across the tables. They do not have any impact on the ability to enter duplicate values in a column. Therefore, the statement is false.

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150. Provides options for designing and sorting the database.

Explanation

The given answer, "Data Designing and Formatting," is the correct option because it aligns with the statement that the provided options are for designing and sorting the database. Data designing refers to the process of creating a database schema and defining the structure of tables, while data formatting involves organizing and presenting data in a desired format. Both these tasks are essential for designing and sorting a database effectively.

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151. Displays the number indicating the month.

Explanation

The answer "M" is correct because it represents the number indicating the month. In date formatting, "M" is commonly used to display the month as a number, typically without leading zeros.

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152. Facilitates access of the databases by using more  than 35 data drivers

Explanation

The correct answer is Data Access because it states that the given feature facilitates access to the databases by using more than 35 data drivers. This implies that the feature allows users to easily retrieve and manipulate data from various databases, enhancing their ability to access and work with data effectively.

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153. Display the form after the form is constructed.

Explanation

The correct answer is "Load" because the question is asking for the event that should be triggered after the form is constructed. "Load" is the event that occurs when the form is loaded and ready to be displayed to the user.

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154. A user - defined dialog box can be created using the FormBorderStyle property of a form.

Explanation

The statement is true because the FormBorderStyle property of a form allows the user to define the style of the form's border, including options such as fixed single, sizable, or none. By setting the appropriate value for this property, the user can create a custom dialog box with a specific border style that suits their needs.

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155. In ADO.Net, .Net framework alows you to access application data only from local machine.

Explanation

The given statement is false. In ADO.Net, the .Net framework allows you to access application data not only from the local machine but also from remote servers and databases. ADO.Net provides various classes and components that enable data access and manipulation from different data sources, including local and remote databases. Therefore, the statement is incorrect as it implies a limitation that does not exist in ADO.Net.

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156. Windows form  existing controls cannot be inherited in your application

Explanation

This statement is false. Windows form existing controls can be inherited in your application. Inheritance allows you to create a new class that inherits the properties, methods, and events of an existing control. This allows you to customize and extend the functionality of the control to suit your specific needs. By inheriting from an existing control, you can reuse code and avoid duplicating functionality.

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157. Indicates whether a form can be displayed as modal.

Explanation

The term "modal" refers to a type of display that restricts the user from interacting with other parts of the application until a specific action is taken or a task is completed. In the context of a form, being able to display it as modal means that it will take precedence over other forms or windows, preventing the user from accessing them until the modal form is closed. This is useful in situations where the user needs to provide input or make a decision before proceeding further in the application.

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158. The ListView controls supports sorting of items

Explanation

The ListView control in programming languages like C# or Java does support sorting of items. This means that the items displayed in the ListView can be arranged in a specific order based on a chosen criterion, such as alphabetical order or numerical order. This feature allows users to easily find and navigate through the items in the ListView, enhancing the usability and functionality of the control.

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159. Display time representing 12 hour format.

Explanation

The letter "h" represents the hour in a 12-hour format.

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160. Which of following namespace contains the ODBC .Net data provider types.

Explanation

The correct answer is System.Data.Odbc because the ODBC .Net data provider types are included in this namespace. The other namespaces listed do not contain the ODBC data provider types.

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161. The ReadXml()  method is used to update the xml file.

Explanation

The given statement is incorrect. The ReadXml() method is not used to update the XML file. Instead, it is used to read and load the data from an XML file into a dataset or datatable.

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162. The event occurs when the value of the Checked property is changed

Explanation

The CheckedChanged event is triggered when there is a change in the value of the Checked property. This event is commonly used in scenarios where the state of a checkbox or a similar control needs to be monitored. When the Checked property is modified, the CheckedChanged event is raised, allowing the associated code to respond accordingly.

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163. Display the starting letter of A.M. or P.M.

Explanation

The given answer "t" is the correct starting letter for the time periods A.M. (Ante Meridiem) and P.M. (Post Meridiem). The letters "h" and "m" do not correspond to the starting letters of these time periods. The letter "M" is not a valid starting letter for either A.M. or P.M. Therefore, the correct answer is "t".

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164. The Interval property  supports only a maximum interval of 64,766 milliseconds.

Explanation

The statement is false because the Interval property does not have a maximum interval of 64,766 milliseconds. The Interval property in programming typically represents the time duration between two events or actions. It can be set to any value, including values greater than 64,766 milliseconds. Therefore, the given statement is incorrect.

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165. Uses data commands and data classes.

Explanation

Programmability refers to the ability of a system or software to be easily programmed or customized according to specific needs or requirements. In the given context, the use of data commands and data classes suggests that the system is designed to be programmable, allowing developers to manipulate and control data effectively. This implies that the system provides a flexible and adaptable programming interface, making it easier to write, modify, and maintain code. Therefore, programmability is the most suitable explanation for the given answer.

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166. This property retrieves a collection of controls in the specified control.

Explanation

The property "Controls" is the correct answer because it retrieves a collection of controls in the specified control. This means that by accessing this property, we can obtain a collection of all the controls that are contained within a specific control. This can be useful when we need to perform operations or manipulate the controls within a container control.

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167. Composite controls contain only one windows forms control in a container.

Explanation

A composite control is a custom control that is made up of multiple windows forms controls grouped together in a container. Therefore, the statement that composite controls contain only one windows forms control in a container is incorrect. Composite controls can have multiple controls within them, allowing for more complex and customizable user interfaces.

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168. This property identifies the formula for filtering records in a report.

Explanation

The correct answer is "SelectionFormula" because this property is used to identify the formula for filtering records in a report. It allows users to specify criteria for selecting specific records to be included in the report, based on certain conditions or values. By using the SelectionFormula property, users can customize the report to display only the desired data, making it a powerful tool for data analysis and reporting purposes.

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169. This property identifies the names of all printers installed on the machine.

Explanation

The correct answer is "InstalledPrinters" because this property is used to identify the names of all printers that are installed on the machine. It provides a list of the printer names, which can be helpful for various printing-related tasks or operations in a program or application.

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170. A dialog box is a window that cannot be maximized, minimized or restored.

Explanation

A dialog box is a type of window that is typically used to prompt the user for input or to display a message. Unlike regular windows, dialog boxes are designed to be modal, meaning that they require the user to interact with them before they can continue using the application. As a result, dialog boxes usually do not have options to maximize, minimize, or restore the window, as these actions would allow the user to bypass the required interaction. Therefore, the statement that a dialog box cannot be maximized, minimized, or restored is true.

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171. Enable to update or manipulate data.

Explanation

The correct answer is DataSet object. A DataSet object is used to store and manipulate data in a disconnected manner. It can hold multiple tables, relationships, and constraints. It provides methods for updating, deleting, and inserting data into the database. It also allows for data binding and data manipulation operations. Therefore, a DataSet object enables the user to update or manipulate data effectively.

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172. Indicates a particular cell value.

Explanation

The given options are all related to data manipulation or retrieval. "Item" is the most suitable option to indicate a particular cell value. It suggests that it refers to a specific item or element within a data source or collection. The other options, such as "DataMember," "CurrentRowIndex," "DataSource," and "CurrentCell," do not specifically imply indicating a particular cell value.

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173. Property of ComBoBox control used to indicate the number of the items in the list.

Explanation

The MaxDropDownItems property is used to indicate the number of items that can be displayed in the dropdown list of a ComboBox control. This property allows the programmer to limit the number of items visible at a time, which can be useful when dealing with a large number of items in the list.

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174. The type DataSet is used to catch any wrong values fetched from a table.

Explanation

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175. This property identifies the printer for printing.

Explanation

The property "PrinterName" is the correct answer because it specifically identifies the printer for printing. The other options, "InstalledPrinters," "PrinterFileName," "ToPage," and "ToString," do not have the same functionality or purpose in identifying the printer.

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176. Can you arrange the sequence of events in the lifecycle of  a form ?
1. Actived
2. Form closing.
3. Construction
4. FormClose.
5. Load.

Explanation

The correct sequence of events in the lifecycle of a form is as follows: Construction (3), Load (5), Activated (1), FormClosing (2), FormClose (4). This means that the form is first constructed, then loaded with its initial state and data. After that, it is activated and becomes the active form in the application. When the form is being closed, the FormClosing event is triggered, and finally, the FormClose event is triggered when the form is completely closed.

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177. Displays the form as an active window

Explanation

The correct answer is "Activate." This option refers to the action of making the form active or bringing it to the front, allowing the user to interact with it. It is different from "Load" which refers to the initial loading of the form, "WindowState" which determines the size and position of the form, "Modal" which specifies if the form should be displayed as a modal dialog, and "Activated" which is an event that occurs when the form becomes the active window.

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178. The Enabled property indicates whether the Timer component is running.

Explanation

The Enabled property of the Timer component determines if it is currently running or not. If the Enabled property is set to True, it means that the Timer is active and will execute its associated event or code at the specified interval. On the other hand, if the Enabled property is set to False, it means that the Timer is not running and will not trigger any events or execute any code. Therefore, the correct answer is True, indicating that the Timer component is currently running.

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179. Indicates the list in the data source, which is to be displayed in the control.

Explanation

The correct answer is DataMember. DataMember is used to indicate the specific list or table within the data source that should be displayed in the control. It helps to specify which data should be shown in the control when there are multiple lists or tables available in the data source.

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180. The AccepChangesDuringFill property indicates how  the DataReader object is used to fill the DataSet.

Explanation

The AccepChangesDuringFill property does not indicate how the DataReader object is used to fill the DataSet. It is a property of the DataSet class that determines whether changes made to the data in the DataSet should be marked as "accepted" or not.

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181. Controls allow you to use the most commonly used control.

Explanation

The given correct answer is "Basic control". This answer suggests that controls are used to perform basic functions or operations. Basic controls are typically the most commonly used controls in a system or application. They provide essential functionality and allow users to interact with the system or application easily. These controls may include buttons, text boxes, checkboxes, and dropdown menus, among others. By using basic controls, users can perform tasks such as inputting data, making selections, and triggering actions.

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182. Property used to specify how the image will be displayed in the control.

Explanation

SizeMode is the property used to specify how the image will be displayed in the control. It determines whether the image will be stretched, centered, or displayed in its original size within the control. By setting the SizeMode property, the developer can control the appearance of the image and ensure it is displayed correctly in the control.

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183. Contains classes representing the ADO.Net architecture.

Explanation

The given answer, System.Data, is correct because it is a namespace in .NET that contains classes representing the ADO.NET architecture. ADO.NET is a data access technology used to interact with databases. The System.Data namespace provides classes for managing connections, executing commands, and retrieving data from databases. Other namespaces listed, such as System.Data.SqlClient and System.Data.OleDb, are specific implementations or providers for connecting to different types of databases using ADO.NET.

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184. Creates application that can be installed with less user interaction.

Explanation

ClickOnce Deployment allows for the creation of applications that can be installed with minimal user interaction. It simplifies the installation process by providing automatic updates and easy deployment to multiple users. This deployment model is particularly useful for web-based applications or those that need to be installed on multiple machines. By choosing ClickOnce Deployment, developers can ensure a smooth and hassle-free installation experience for their users.

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185. Event that occurs when the child forms is activated or closed.

Explanation

MdiChildActivate is the correct answer because it refers to the event that occurs when the child form is activated or closed. This event is triggered when a child form within a Multiple Document Interface (MDI) application is either activated or closed, allowing the application to perform certain actions or updates based on this event.

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186. Indicates the expanded or collapsed state of the row node in DataGrid.

Explanation

The correct answer is "IsExpanded" because it indicates the expanded or collapsed state of the row node in a DataGrid. This property is commonly used in UI controls to display hierarchical data, where the user can expand or collapse nodes to show or hide child elements. By using the "IsExpanded" property, the application can determine whether a specific row node is expanded or collapsed, and then take appropriate actions based on that state.

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187. This method retrieves the MenuItem that contains the value specified.

Explanation

This method, FindMenuItem, is used to retrieve the MenuItem that contains the value specified. It is likely a function or subroutine that searches for a specific value within a collection or list of MenuItems, and returns the MenuItem object that matches the specified value. This method can be useful in scenarios where you need to locate a specific MenuItem based on its value or identifier.

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188. Which method do The CrystalReportViewer class provide to export a crystal report ?

Explanation

The CrystalReportViewer class provides the method "ExportReport()" to export a crystal report.

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189. Event that occurs when the  control is re-drawn on the form.

Explanation

Paint is the correct answer because when the control is re-drawn on the form, the Paint event is triggered. This event allows the control to be visually updated and redrawn according to any changes or updates that have occurred. It is commonly used to customize the appearance of controls or to perform any necessary drawing operations on the control's surface.

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190. The ListView control dose not allow displaying extra information about an item.

Explanation

The explanation for the given answer, which is False, is that the ListView control actually allows displaying extra information about an item. This can be done by using various features and properties of the ListView control, such as subitems, tooltips, or custom item templates. These allow developers to provide additional details or context for each item in the ListView, enhancing the user experience and providing more comprehensive information to the user.

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191. This property specifies or retrieve the locale information used to compare strings in the table.

Explanation

The property "Locale" is used to specify or retrieve the locale information used for comparing strings in a table. This means that it determines the rules and conventions for comparing and sorting strings based on the specified locale. By setting the locale, the comparison of strings can be customized to match the desired language or cultural conventions.

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192. The Visible property of the Control class is used to activate the control

Explanation

The Visible property of the Control class is used to determine whether the control is displayed or hidden. It does not activate or deactivate the control.

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193. The property determines whether the control is checked , unchecked , or indeterminate

Explanation

The CheckState property determines whether the control is checked, unchecked, or in an indeterminate state. It is used to track the state of a checkbox or a similar control. The CheckState property can have three values: Checked, Unchecked, or Indeterminate. When the CheckState is set to Checked, it means that the control is checked. This property is often used in conjunction with the CheckStateChanged event, which is triggered when the CheckState of the control changes. The other options listed (CheckStateChanged, Select, and CheckChanged) are not relevant to the explanation of the CheckState property.

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194. Serves large number of users.

Explanation

Scalability refers to the ability of a system to handle an increasing amount of work or users without sacrificing performance. In the context of serving a large number of users, scalability becomes crucial as it ensures that the system can handle the growing demand and continue to provide a satisfactory level of service. By being scalable, the system can easily accommodate more users and scale up its resources as needed, making it a suitable choice for serving a large number of users efficiently.

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195. Unaffected by architectural changes in features of ADO.Net

Explanation

Maintainability refers to the ease with which a software system can be modified or updated over time. In the context of ADO.Net, maintainability means that the code written using ADO.Net is not affected by any changes in the underlying architecture or features of ADO.Net. This ensures that developers can make changes to the system without worrying about breaking existing functionality. It also allows for easier troubleshooting and debugging, as any issues can be isolated to the specific code being modified rather than the entire system.

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196. The Datagrid control allows you to set shortcut menus for cells.

Explanation

The explanation for the given answer is that the Datagrid control does not allow you to set shortcut menus for cells. This means that the statement "The Datagrid control allows you to set shortcut menus for cells" is false.

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197. The Timer component does not provide with the explicit functionality to stop the passage of time once it has started.

Explanation

The statement is false because the Timer component in most programming languages does provide functionality to stop the passage of time once it has started. This can be achieved by calling the stop() method of the Timer component. By stopping the timer, the passage of time will be halted until the timer is started again.

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198. The SqlDataAdapter is used to edit data in the sql server database and update DataSet.

Explanation

The SqlDataAdapter is used to retrieve and manipulate data from a SQL Server database, but it is not specifically used for editing data or updating a DataSet. It is primarily used for populating a DataSet or DataTable with data from the database. To edit data in a SQL Server database and update a DataSet, other classes such as SqlCommand and SqlConnection would be used in conjunction with the SqlDataAdapter. Therefore, the statement is false.

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199. Can you arrange the steps  for inheriting  the windows forms existing controls in correct order?
1. From the Project menu, select  Add User Control.
2. Double - click Inherited User Control
3. Include the required properties and methods
4. Override the Onpaint() method.
5. Modify the name of the base class.

Explanation

To inherit the Windows Forms existing controls, the correct order of steps is as follows:

1. From the Project menu, select Add User Control.
2. Double-click Inherited User Control.
3. Modify the name of the base class.
4. Include the required properties and methods.
5. Override the Onpaint() method.


First, we need to add a new user control by selecting "Add User Control" from the Project menu. Then, we double-click on the newly added user control to open it. After that, we modify the name of the base class to specify the control we want to inherit from. Next, we include any additional properties and methods that we need for our inherited control. Finally, we override the Onpaint() method to customize the painting behavior of our control.

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200. Windows Forms execute on a remote machine

Explanation

The statement "Windows Forms execute on a remote machine" is false. Windows Forms is a graphical user interface (GUI) framework that is used to develop desktop applications for the Windows operating system. It runs on the local machine where the application is installed, not on a remote machine.

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The DataRelation objects are used to enforce referential integrity.
Property to determine for any mnenmonic characters associated with the...
.Net Framwork data provider for SQL Server allows access to Microsoft...
Contains the SQL Server .Net data provider types.
The DataAdapter is used to link the DataSet to the data source.
Represents the data source for the control
This property indicates whether columns can be generated automatically...
Property of the button control used to specify the image.
Represents the current focused cells
The MoveNext() method  of the BindingSource clas is used to...
The Crystal Report Creation Wizard provides a step guide to generate...
Selection formulas help to filter or group the data displayed in the...
The SplitContainer control is used to separate the form into...
The TreeView control display data in hierarchical manner.
The DateTimePickerFormat is used to specify a date format for the...
Navigates back to the previous table displayed in the control.
The DataRow and DataColumn classes are you as a primary components of...
User-Defined dialog box can be defined as modal and modeless.
Store the SQL query results in DataTable object.
//Custom ControlCustom controls allow you to create reusable controls.
User-Defined validation allows you to define the type of validation...
Parameter fields help displaying the reports based on a criterion...
Property of TextBox control used to allow the user to enter text on...
Event that occurs when the control is re-sized.
Property used to retrieve or specify the maximum value for the...
This method retrieves the form that contains this control.
Property that identifies the layout style of the items.
Contains the OLE DB .Net data provider types.
In DataGridView, this event occurs when the user clicks the cell.
Property of the ListBox control used to get or set the selected item.
The Start() method starts the Timer component.
ADO.Net technology provides connection to various database systems.
Connect to multiple databases such as Sybase and Oracle.
This event occurs after the value of the cell changes in DataGridView.
The untype dataset is used on data that does not have static or...
Composite controls are reused across multiple application.
The RefereshReport() method of the CrystalReportViewer class...
Controls allows you to select values from a list using the up and down...
Controls allow you to organize controls in a group.
Controls allow you to create menus.
Method used to display the control to the user.
Modeless dialog boxes allow you to work with the application on which...
This property identifies the current position in the list.
The ReportSource property helps in specifying which report the...
Indicates whether the form is minimized or maximized.
Property of MaskTextBox control used to denote missed input.
Method used to specify or retrieve the value assigned to the control.
Property used to set the background color of the title region.
Property used to identity the date with a circle.
The MenuStrip control helps you to add menus, modify and reorder...
This method generates a Click event for the MenuItem.
Puts the control in the editable state.
The CrystalreportViewer control binds the report to the application
Method to place  the focus on the control
Property used to specify or retrieve the flat style of the control.
The FixedPanel property is used to specify which panel of a...
Event that occurs when the value of the Value property is changed.
The ProgressBar control implements visual styles.
The Format property of the DateTimePicker control is used to display...
This property indicates whether the text is displayed form right to...
In ToolStrip class, Event that occurs when an items is clicked.
In ToolStrip class, Property that is used to identify the displayed...
Contains the Oracle .Net data provider.
Represents the index of the focused row.
This property identifies the current item.
Composite control are used for creating custom graphical interfaces.
This property identifies the file, while printing to a file
Provides the BingdingSource component.
Provide the MaskedTextBox and WebBrowser controls.
Event that is raised when a date is selected using the mouse.
ToolStrip is the base class for MenuStrip, StatusStrip , and...
In ToolStrip class, Property that retrieves all the items of the...
Collapses child relations for all the rows in DataGrid.
The property determines whether the control is checked
The CustomColors property is used to set or get the custom colors of...
The AllowOrientation property is used to get or set a value whether...
In ToolStrip class, Method that displays the control to the user.
The OleDbDataAdapter class is used to connect to multiple databases...
The DataGridView control allows you to set the same appearance for the...
This method retrieves xml schema and data into the DataSet.
Customize design allows you to specify the appearance of ...
The event occurs when the value of the CheckSate property is changed
Event that occurs when the style of control is modified.
Property used to set or get the image to be displayed in the control.
Method used to load a graphic asynchronous
RDO and  ADO depends on two-tier client-server architecture.
The DataViewmanager class ensures that the information from each table...
Links a DataSet to the MS Access database for retrieving and saving...
This event occurs when the current item in list is changed in...
The ViewCount property of CrystalReportViewer class gets the number of...
This property indicates the last page number to print.
This method select all text in  the control in RichTextBox.
In RichTextBox , This method adds text after the current text to the...
An MDI application suport maximum two parent form.
Property used to determine whether the form is a child form.
The contextMenu class exists in the System.Windows.Forms namespace.
A ToolStrip control can create toolbars that provides a common look...
The typed DataSet is inherited from the DataSet class.
This method removes rows in all tables.
This method exports the report displayed in the control
This method prints the report displayed in the control.
This event occurs when the user navigates through a report.
The Control class is used to create custom controls
Property to retrieve a value indicating whether the control is focused
A Panel control is displayed without a border on a form
Method used to re-draw the dates in bold to view the list of the...
Method used to display a date in bold on an annual basis.
In MDI, A parent form remains open even if all the child forms are...
Data provider helps in connecting to the database, performing...
The Fill() method uses the DataSet name to add or refresh rows in the...
This property specifies the source of the report to be bound.
Windows Forms can access a database, which exists on another machine.
The DataView class supports searching and navigating records of a...
This property specifies or retrieves the parent container associated...
Custom control are programmatically used in your application by using...
Allows the user to preview the report before generating it
A crystal report supports the .doc format for exporting the report
The ToolStripContainer control is a new control introduced in Window...
In RichTextBox , This property specify specifies or retrieves the...
This property specifies or retrieves the DataSet name.
This method retrieves the type of the current instance.
The DataTable object is used to as a case- sensitive object  if...
Data binding allows you to fetch multiple tables simultaneously
This method triggers  the Paint event
The ToolboxBitmapAttribute class is used to specify a particular image...
An MDI application increases the risk of data inconsistency while...
This method makes the changes in the current cell to the data cache in...
The Controls class is the parent class of all graphic controls
In RichTextBox , This event occurs when the value of Text property...
Navigates to the table by relation name in DataGrid
Property used to retrieve or specify the increment or decrement number
Display the number indicating minutes
Property used to retrieve the active child  form.
The connection to original database is closed once a request is...
The ListChanged event of the DtaViewManager class occurs when a row is...
Links a DataSet to the SQL database for retrieving and saving data.
Update itself to all the latest service packs and fixes.
The ReportDocument class exists in...
The method actives the control
In RichTextBox, This property specifies or retrieves the text in the...
Support alpha blending and texture brushes.
The Rezise event of the group box control is invoked when the size of...
A ToolStrip control can reorder items at runtime.
This method resumes data binding in CurrencyManager class.
In Data binding, Examples of data providers include arrays and data...
Method is used to specify the next control to navigated according to...
In MDI, A child form remains open even when the parent form is closed.
Acts as a link between a DataSet and a data source.
The DataRelation objects are used to enter duplicate values in a...
Provides options for designing and sorting the database.
Displays the number indicating the month.
Facilitates access of the databases by using more  than 35 data...
Display the form after the form is constructed.
A user - defined dialog box can be created using the FormBorderStyle...
In ADO.Net, .Net framework alows you to access application data only...
Windows form  existing controls cannot be inherited in your...
Indicates whether a form can be displayed as modal.
The ListView controls supports sorting of items
Display time representing 12 hour format.
Which of following namespace contains the ODBC .Net data provider...
The ReadXml()  method is used to update the xml file.
The event occurs when the value of the Checked property is changed
Display the starting letter of A.M. or P.M.
The Interval property  supports only a maximum interval of 64,766...
Uses data commands and data classes.
This property retrieves a collection of controls in the specified...
Composite controls contain only one windows forms control in a...
This property identifies the formula for filtering records in a...
This property identifies the names of all printers installed on the...
A dialog box is a window that cannot be maximized, minimized or...
Enable to update or manipulate data.
Indicates a particular cell value.
Property of ComBoBox control used to indicate the number of the items...
The type DataSet is used to catch any wrong values fetched from a...
This property identifies the printer for printing.
Can you arrange the sequence of events in the lifecycle of  a...
Displays the form as an active window
The Enabled property indicates whether the Timer component is running.
Indicates the list in the data source, which is to be displayed in the...
The AccepChangesDuringFill property indicates how  the DataReader...
Controls allow you to use the most commonly used control.
Property used to specify how the image will be displayed in the...
Contains classes representing the ADO.Net architecture.
Creates application that can be installed with less user interaction.
Event that occurs when the child forms is activated or closed.
Indicates the expanded or collapsed state of the row node in DataGrid.
This method retrieves the MenuItem that contains the value specified.
Which method do The CrystalReportViewer class provide to export a...
Event that occurs when the  control is re-drawn on the form.
The ListView control dose not allow displaying extra information about...
This property specifies or retrieve the locale information used to...
The Visible property of the Control class is used to activate the...
The property determines whether the control is checked , unchecked ,...
Serves large number of users.
Unaffected by architectural changes in features of ADO.Net
The Datagrid control allows you to set shortcut menus for cells.
The Timer component does not provide with the explicit functionality...
The SqlDataAdapter is used to edit data in the sql server database and...
Can you arrange the steps  for inheriting  the windows forms...
Windows Forms execute on a remote machine
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