>My questions:
>
> 1. Am I doing at the right place?
> 2. If yes, how do I suppress the warning message?
> 3. For the line "Me.AddErrorProviderBrokenRule("CustomerID", message)", what should I put as the
> first parameter to replace CustomerID since this is a combination of fields?

Check my reply to your previous post on this one.

Best Regards,