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DataTable.RowDeleting Event

Occurs before a row in the table is about to be deleted.

Namespace:  System.Data
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

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.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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