How can I customise a default delete action

Dear's
In Apex, I have report with edit button. By cliking on edit I can see the edit window with a delete button. I want to restrict this with some checks .
The delete button should be displayed always.
I want to utilise the default delete action, I don't want to write a code for deletion.
On click , if the condition restrict , it should give message and should not delete that record.
Otherwise the record shoud be deletd.
Dennis
Edited by: DJ on Mar 20, 2012 11:41 PM

Dear trent
Thanks,
Actually I wanted use a complex condition, I want to write a funtion returing some value. Based on that I want to show a message or I want to do the delete action. If i am putting some condition for the delete button, if false, the button will not be displayed. This should not happen.
What you mean by validation here, On which item or which action or where should I put the validation code in my senario.
Dennis

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