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VB.NET DataTable.RowDeleting事件代碼示例

本文整理匯總了VB.NET中System.Data.DataTable.RowDeleting事件的典型用法代碼示例。如果您正苦於以下問題:VB.NET DataTable.RowDeleting事件的具體用法?VB.NET DataTable.RowDeleting怎麽用?VB.NET DataTable.RowDeleting使用的例子?那麽, 這裏精選的事件代碼示例或許可以為您提供幫助。您也可以進一步了解該事件所在System.Data.DataTable的用法示例。


在下文中一共展示了DataTable.RowDeleting事件的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。

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
開發者ID:VB.NET開發者,項目名稱:System.Data,代碼行數:38,代碼來源:DataTable.RowDeleting


注:本文中的System.Data.DataTable.RowDeleting事件示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。