DataTable.RowDeleting Event
.NET Framework 2.0
Occurs before a row in the table is about to be deleted.
Namespace: System.Data
Assembly: System.Data (in system.data.dll)
DataTable Members
System.Data Namespace
Assembly: System.Data (in system.data.dll)
'Declaration Public Event RowDeleting As DataRowChangeEventHandler 'Usage Dim instance As DataTable Dim handler As DataRowChangeEventHandler AddHandler instance.RowDeleting, handler
/** @event */ public void add_RowDeleting (DataRowChangeEventHandler value) /** @event */ public void remove_RowDeleting (DataRowChangeEventHandler value)
JScript supports the use of events, but not the declaration of new ones.
For more information, see Working with DataTable Events.
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 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
Reference
DataTable ClassDataTable Members
System.Data Namespace
Other Resources
Creating and Using DataTablesCommunity Additions
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