Disabilng lines in Reports 2.5

I am trying to print labels using Reports. The table has columns like street1, street2, and street3. How can I prevent a line printing for :street3, for example, if its null.
I have tried putting a line into the trigger to set the return to FALSE if field is null, but
the line still comes out as a blank space.

Any suggestions would be
greatly appreciated. Received on Mon Nov 25 1996 - 00:00:00 CST