Windows service to generate report dynamically for asp.net web application

Hi all,
I have .aspx page wih 3 parameters Report Name, Year, Month which are of type dropdown control
and i have gridview in the same page as shown below. and button control
Request Id Request Date Report Cretria(Report Path) 1 Report Generated Date System.Byte[ ] 2 Report Generated Date System.Byte[ ] 3 Report Generated Date System.Byte[ ...