need help in designing a report
i want to design a bill report
i have already designed the report (single) in which it genereates & displays a bill per customer
like i select customer 1 & clcik report i get the bill report for that customer i have grouped as per customer for a particular month of the year
similarly i want a report where it will display all the bills one below teh other for all teh customers avaliable for that particualr month of the year
i grouped as per year , month & tehn customer id
in my database i do get all teh customers
but in the report i dont get anything
how do i make a reprot for displaying all the values avaliable in that table