In rowupdating in
If the row had been modified, it called the appropriate , depending on the value of the Row State property for that row. Delete Command = New Sql Command( _ "DELETE FROM Production. The Copy To Rows method of the Row Updated Event Args class allows you to access the processed rows by copying references to the rows into an array.
As it iterated through the rows in the specified Data Table, it examined each Data Row to see if it had been modified. When batch processing is enabled, a single events are still generated for each row.
Dim connection String As String = Get Connection String() ' Connect to the Adventure Works database.
NET allows a Data Adapter to group INSERT, UPDATE, and DELETE operations from a Data Set or Data Table to the server, instead of sending one operation at a time. Every row update involved a network round-trip to the database. NET 2.0, the Db Data Adapter exposes an Update Batch Size property. Product Category " _ & "WHERE Product Category [email protected] Cat ID;", connection) adapter. If no rows are being processed, throws an Argument Null Exception.
The reduction in the number of round trips to the server typically results in significant performance gains. Setting the to 0 will cause the Data Adapter to use the largest batch size that the server can handle. Use the Row Count property to return the number of rows processed before calling the Copy To Rows method.
The Grid View control supports the following features:use Row Editing, Row Updating, Row Deleting, Row Command, Row Data Bound, Row Canceling Edit, and Pagination in a Data Grid.
From this article, you will have a clear view of the Grid View data insert, delete, and update operations.