>Hi,
> I am developing multiuser app at this moment. I set all of my forms' to private datasession. I know that, I have to RESET all of the global SET variable in each of the datasession.
> I would like to know, if I OPEN DATABASE myDB SHARED in my main.prg, do I need to OPEN DATABASE in every form's datasession again???
>
>Thank you

No. The DBC is opened per instance of VFP.