本文整理汇总了VB.NET中System.Data.DataTable.RowDeleting事件的典型用法代码示例。如果您正苦于以下问题:VB.NET DataTable.RowDeleting事件的具体用法?VB.NET DataTable.RowDeleting怎么用?VB.NET DataTable.RowDeleting使用的例子?那么恭喜您, 这里精选的事件代码示例或许可以为您提供帮助。您也可以进一步了解该事件所在类System.Data.DataTable
的用法示例。
在下文中一共展示了DataTable.RowDeleting事件的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: DataTableRowDeleting
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) })
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