This documentation is archived and is not being maintained.
DataTable.RowDeleting Event
Visual Studio 2008
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 (ADO.NET).
Private Shared Sub DataTableRowDeleting() Dim customerTable As DataTable = New DataTable("Customers") ' add columns customerTable.Columns.Add( "id", Type.GetType("System.Int32")) customerTable.Columns.Add( "name", Type.GetType("System.String")) customerTable.Columns.Add( "address", Type.GetType("System.String")) ' set PrimaryKey customerTable.Columns( "id").Unique = true customerTable.PrimaryKey = New DataColumn() { customerTable.Columns("id") } ' add a RowDeleting event handler for the table. AddHandler customerTable.RowDeleting, New _ DataRowChangeEventHandler( AddressOf Row_Deleting ) ' add ten rows Dim id As Integer For id = 1 To 10 customerTable.Rows.Add( _ New Object() { id, string.Format("customer{0}", id), _ string.Format("address{0}", id) }) Next customerTable.AcceptChanges() ' Delete all the rows Dim row As DataRow For Each row In customerTable.Rows row.Delete() Next End Sub Private Shared Sub Row_Deleting(sender As Object, _ e As DataRowChangeEventArgs) Console.WriteLine( "Row_Deleting Event: name={0}; action={1}", _ e.Row("name"), e.Action) End Sub
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Show: