Print Page Number as on Requirement

[najm]

Dears I have a report of Inventry in my database which is run on daily basis some day this Report Print on 1 Page and some time it's print on 2 or some times 3 Pages. I want to know any such way that when ever this report print on 1 Page there is no need to print page number on it but when ever it on 2 Pages or 3 Pages it must be Printed Please Help me in this regards
Thanks

Chears

Najm