Dim dr As DataRow
dr = DataTables("表A").Find("订单号 = '" & e.Form.Controls("TextBox1").value & "' And [_Identiry] <> " & Table("xxx").Current("_Identify"))
If dr IsNot Nothing Then
MessageBox.Show("此订单号已经存在!")
e.Form.Controls("TextBox1").value = ""
End If
[此贴子已经被作者于2012-7-26 15:44:12编辑过]