Throw user defined Errors from within built in apex procedures

Hi all
The task at hand is I have a tabular form with add row button. On click of this button, the built in add row to a form type of process is called. The table in which this row is being added has some Foriegn key constraints and some other check constraints.
What I want is if during insertion in the table, if there is a foreign key voilation and the process fails, I should be able to throw a user defined exception.
And moreso, I want to throw this in the notification area and not the error page.
Any thoughts??
Regards
Shantanu Dhanuka

Hi Shantanu,
If you want to capture exceptions raised by the wizard created MR* processes, you have to complete replace this processes with your own processes where you do the insert/update/delete. Don't forget to add the code for the optimistic locking.
About showing the error in the notification area, see my blog posting at
http://inside-apex.blogspot.com/2006/12/hacking-apex-error-page.html
which is able to do that.
Patrick
Check out my APEX-blog: http://inside-apex.blogspot.com
Check out the ApexLib Framework: http://apexlib.sourceforge.net

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