请教一个问题:
跨表自动更新,如帮助中的如下代码:
If e.DataCol.Name = "单价" Dim Filter As String = "[品名] = '" & e.DataRow("品名") & "'" Dim drs As List(Of DataRow) = DataTables("订单").Select(Filter) For Each dr As DataRow In drs dr("单价") = e.DataRow("单价") NextEnd If
这样的代码会更新后台数据吗,还是只更新已加载的数据?