>my program has 3 importants tables that need to be update together. some time 1 or 2 of them don't update datas to the server due to, most of time networt trafic.
>how can i do to correctly save the all 3 tables if possible or none of them if not possible (all or nothing) ?
Check BEGIN TRANSACTION in HELP.
Against Stupidity the Gods themselves Contend in Vain - Johann Christoph Friedrich von Schiller
The only thing normal about database guys is their tables.