Add Group in Sql Reporting Service 2005

i have made one document print. in i want to give group on document id. i have taken a table for it and added a group in it but the issue is there when the document have only 1 or 3 items the footer part come up. and i want to fix it in page footer. but reporting service i have not found that how to fix group footer in the page end. i have tried with list also but still its not resolved. if anybody can help as early as possible......................thax

what data do you need in the footer? Based on that I can give suggestions.

Shyam