Issue related in Crystal Report

Question

Hello Team ,

                     My issue is that , I create the Crystal Report 11 in Crystal report framework and run the report in web Project thats created in ASP.Net 4.0 . I install all the setup that related to view the reports in asp.net web application . But when i create the report in that application i get the error

the error is The Report File Name was empty.

 

I create the simple report that bind the data directly form the table not use of any proc and function . i also take the reference through the net but at present a got the same error