Select Case e.DataCol.Name '防止电话重复
Case "tel1","tel2","tel3"
Dim dr As DataRow = e.DataRow
If dr.IsNull(e.DataCol.name) = False
If e.DataTable.Select("tel1 = '" & e.NewValue & "' Or tel2 = '" & e.NewValue & "' Or tel3 = '" & e.NewValue & "'") .Count > 1 Then
dr(e.DataCol.name) = e.OldValue
MessageBox.Show("请勿重复录入电话号码!")
End If
End If
End Select
输入单位电话1 确认的时候,如果电话有重复,弹出对话框,确认后光标重新定位到电话2,如何让光标从新定位到电话1?