Hi, Jack-

So you are opening the source table in the DE of the form? I'm not entirely sure of the workings of this, but having the table open in the DE and (implicitly) open through using a view can be problematic, AFAIK.

>Hi Edward.
>
>I solve my problem("Can't update source table....") this morning.
>After I set the source table's BufferModeOverride to 0(it's 5 Original),
>It works.
>Thanks you.
>
>Jack Lee