DataTable.RowDeleting DataTable.RowDeleting DataTable.RowDeleting DataTable.RowDeleting Event


Se produce cuando se va a eliminar una fila de la tabla.Occurs before a row in the table is about to be deleted.

 event System::Data::DataRowChangeEventHandler ^ RowDeleting;
public event System.Data.DataRowChangeEventHandler RowDeleting;
member this.RowDeleting : System.Data.DataRowChangeEventHandler 
Public Custom Event RowDeleting As DataRowChangeEventHandler 


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++)
            new object[] { id, string.Format("customer{0}", id), 
            string.Format("address{0}", id) });


    // Delete all the rows
    foreach( DataRow row in customerTable.Rows )

private static void Row_Deleting( object sender, 
    DataRowChangeEventArgs e )
    Console.WriteLine( "Row_Deleting Event: name={0}; action={1}", 
        e.Row["name"], e.Action );
Private Shared Sub DataTableRowDeleting()
	Dim customerTable As 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) })

	' Delete all the rows
	Dim row As DataRow
	For Each row In customerTable.Rows 
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


Para obtener más información, vea controlar los eventos de DataTable.For more information, see Handling DataTable Events.

Se aplica a

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