看示例二
http://www.foxtable.com/help/topics/0665.htm
参考代码
If LastInputTickCount Mod 30000 = 0 Then Dim str As String = "" For Each dt As DataTable In DataTables Dim count As Integer = dt.DataRows.Count dt.Load If dt.DataRows.Count > count Then str &= dt.Name & vbcrlf End If Next msgbox(str)End If