>Aleksey,
>
>The problem was that on my machine when I ran the source the dataupdate was not saving the changes. I panicked and thought this was live, however the built exe was working correctly. I'm using XP so I ran the source code on a windows 2000 machine, and that worked too? So just to elimate it I added the service pack for VFP7, and all is well.
>
>My only problem now is that in the grid certain columns are copying themselves down to different rows same column. I've been told by the great guys on here that I must add a primary key to my cursor, don't really understand why, but i'll try that on Monday when i'm back at the customer.
>
>Make sense?

Robin,
PMFJI.
I think you're not using views, right ? With directly buffered local table usage I don't think you need primary keys.
Certain columns copying data makes me think if those columns have controlsources from another linked table or calculated value or some code running and replacing the values ?
Cetin