>All,
>
>Where would you put code to inform the user that business rules have been violated?
>
>TIA
>
>Rex

I'd put it in the same place as the call to the BizObj's Save() method. Right after calling Save(), check it's return value. If it's not zero, you know that it has failed. Now I'd make a call to some method that display's the business rules errors on a pop-up form.