Window Form With C# For Aptech Accp 2007

282 Questions | By Vietha | Last updated: Jun 6, 2017 | Total Attempts: 531

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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. How much do you know about Windows form with regards to C#?

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Questions and Answers

1.

The DataAdapter is used to link the DataSet to the data source.
- A.
  
  True
- B.
  
  False
2.

The SqlDataAdapter is used to edit data in the sql server database and update DataSet.
- A.
  
  True
- B.
  
  False
3.

The OleDbDataAdapter class is used to connect to multiple databases such as SQL, Oracle and MS Access.
- A.
  
  True
- B.
  
  False
4.

The AccepChangesDuringFill property indicates how the DataReader object is used to fill the DataSet.
- A.
  
  True
- B.
  
  False
5.

The Fill() method uses the DataSet name to add or refresh rows in the DataSet to match with those in the data source.
- A.
  
  True
- B.
  
  Fasle
6.

Links a DataSet to the MS Access database for retrieving and saving data.
- A.
  
  OleDbDataAdapter
- B.
  
  SqlDataAdapter
7.

Links a DataSet to the SQL database for retrieving and saving data.
- A.
  
  OleDbDataAdapter
- B.
  
  SqlDataAdapter
8.

Store the SQL query results in DataTable object.
- A.
  
  SqlDataAdapter
- B.
  
  OledbDataAdapter
9.

Connect to multiple databases such as Sybase and Oracle.
- A.
  
  OledbDataAdapter
- B.
  
  SqlDataAdapter
10.

The typed DataSet is inherited from the DataSet class.
- A.
  
  True
- B.
  
  False
11.

The ReadXml() method is used to update the xml file.
- A.
  
  True
- B.
  
  Fasle
12.

The MoveNext() method of the BindingSource clas is used to navigate to a record in the DataSet.
- A.
  
  True
- B.
  
  Fasle
13.

The type DataSet is used to catch any wrong values fetched from a table.
- A.
  
  True
- B.
  
  Fasle
14.

The untype dataset is used on data that does not have static or predicable structure.
- A.
  
  True
- B.
  
  False
15.

This property specifies or retrieve the locale information used to compare strings in the table.
- A.
  
  Readxml
- B.
  
  Clear
- C.
  
  GetType
- D.
  
  Locale
- E.
  
  DataSetName
16.

This property specifies or retrieves the DataSet name.
- A.
  
  Readxml
- B.
  
  Clear
- C.
  
  Locale
- D.
  
  GetType
- E.
  
  DataSetName
17.

This method removes rows in all tables.
- A.
  
  DataSetName
- B.
  
  Clear
- C.
  
  GetType
- D.
  
  Locale
- E.
  
  Readxml
18.

This method retrieves the type of the current instance.
- A.
  
  Readxml
- B.
  
  Locale
- C.
  
  GetType
- D.
  
  Clear
- E.
  
  DataSetName
19.

This method retrieves xml schema and data into the DataSet.
- A.
  
  Locale
- B.
  
  DataSetName
- C.
  
  ReadXml
- D.
  
  Clear
- E.
  
  GetType
20.

The DataTable object is used to as a case- sensitive object if the casing of two tables with the same name differs.
- A.
  
  True
- B.
  
  False
21.

The DataRow and DataColumn classes are you as a primary components of the DataTable class.
- A.
  
  True
- B.
  
  False
22.

The DataRelation objects are used to enter duplicate values in a column of the table.
- A.
  
  True
- B.
  
  False
23.

The DataRelation objects are used to enforce referential integrity.
- A.
  
  True
- B.
  
  Fasle
24.

The DataTableReader object is used to return the records of a table in editable mode.
- A.
  
  True
- B.
  
  False
25.

This property specifies or retrieves the table name.
- A.
  
  RowDelete
- B.
  
  TableNewRow
- C.
  
  Clear()
- D.
  
  TableName
- E.
  
  DataSet

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