Hi!

> I have try the code using tableupdate() and now i get what we discuss previously.
> In the discussion, I read a comment after
>
>TABLEUPDATE(.T.,.F.) && Error - Cannot update at all

If .NOT. TABLEUPDATE(.T.,.F.) - than error

>Now, why can it happy? Why it cannot update? I faced this problem in my experiement too. What should my program should do next?

If error occurred during updating, this means something incorrect with your data, something incorrect with view definition (for views), or something bad happened on the server. To check error message use aerrors function, that will give you all iformation about why update could not be done.