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DataTable.RowDeleting Event
.NET Framework (current version)
Occurs before a row in the table is about to be deleted.
Assembly: System.Data (in System.Data.dll)
For more information, see Handling DataTable Events.
private static void DataTableRowDeleting() { DataTable customerTable = new DataTable("Customers"); // add columns customerTable.Columns.Add( "id", typeof(int)); customerTable.Columns.Add( "name", typeof(string)); customerTable.Columns.Add( "address", typeof(string)); // set PrimaryKey customerTable.Columns[ "id" ].Unique = true; customerTable.PrimaryKey = new DataColumn[] { customerTable.Columns["id"] }; // add a RowDeleting event handler for the table. customerTable.RowDeleting += new DataRowChangeEventHandler( Row_Deleting ); // add ten rows for( int id=1; id<=10; id++) { customerTable.Rows.Add( new object[] { id, string.Format("customer{0}", id), string.Format("address{0}", id) }); } customerTable.AcceptChanges(); // Delete all the rows foreach( DataRow row in customerTable.Rows ) row.Delete(); } private static void Row_Deleting( object sender, DataRowChangeEventArgs e ) { Console.WriteLine( "Row_Deleting Event: name={0}; action={1}", e.Row["name"], e.Action ); }
.NET Framework
Available since 1.1
Available since 1.1
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