Multiple choice c sharp

Which of the following is the event that is exposed by the DataTable object?

  1. RowChanged

  2. ColumnChanged

  3. RowChanging

  4. All of above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

To solve this question, the user needs to have knowledge of the DataTable object and the events that it exposes.

The DataTable object is a part of the ADO.NET framework and represents a table of data in memory. It is used to store and manipulate data retrieved from a database or other data source.

Now, let's go through each option and explain why it is right or wrong:

A. RowChanged: This option is correct. The RowChanged event is exposed by the DataTable object. It is raised when a row in the DataTable has been changed.

B. ColumnChanged: This option is correct. The ColumnChanged event is exposed by the DataTable object. It is raised when a value in a column of the DataTable has been changed.

C. RowChanging: This option is correct. The RowChanging event is exposed by the DataTable object. It is raised before a row in the DataTable is about to be changed.

D. All of the above: This option is correct. All of the events mentioned in options A, B, and C are exposed by the DataTable object. These events provide different points in the data manipulation process where custom logic can be executed.

Therefore, the correct answer is:

The Answer is: D. All of the above

AI explanation

The ADO.NET DataTable object exposes multiple change-notification events, including RowChanged (fired after a row's value changes), RowChanging (fired before the change is applied), and ColumnChanged (fired when a column value in a row is changed) — all of them are real, distinct events on DataTable. Since each one is a legitimate exposed event, "All of above" correctly captures that the object isn't limited to just one of them.

Keep practicing — related questions