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deryckderyck 

Pre-populated custom field from like custom field under different tab

I've created a custom field called room_number__c that is located on the Contacts tab.  When a new case is created, I want to have that same field appear in the cases tab and have it pre-populated with the value contained from room_number__c in the Contacts tab.
 
I originally did this using a trigger and some code.  Unfortunately, it seems that after the first thirty days of use, the trigger function seems to go away and no one at salesforce can bring it back for me.  So, I need to find a way to accomplish the creation of fields in one tab and have the data, once populated, appear on the cases tab.
 
Any suggestions?
Benjamin_PirihBenjamin_Pirih
Fork out..