number of rows in crystal report

I have a web app in asp.net which contains crystal reports.I have a drop down list which contains the number of records to be displayed.

so if the user selects 5 the r开发者_C百科eport showld show 5 records per page,if he selects 10 ot should show 10 records per page..

can you help me guys..i am not able to fine any solution for it

1. Create a Number parameter named PageSize.

2. Add the following to the Detail section's "New Page After" conditional formula:

   Remainder(RecordNumber, {?PageSize})=0
   

Paginate the resultset and keep on updating the pagesize according to the value in dropdown list

http://www.codeproject.com/KB/database/PaginationSorting.aspx