John, what can cause a customer to go over their credit limit?

A new purchase (sale on your end). A lowering of their credit limit. Accumulated interest on their account puts them over. What else?

Can't you just check these event when they happen?

Please explain the problem.

>hello, thankyou very much for reply. therefore, for client application we need timer.according to your suggestion small application can run on server which i am getting more interested in .Is this thing possible in vfp? if yes, could you please explain how ?
>thanks very much again for your help
>john still