Crystal Report from Web in Dot Net

Hello,
Hello, How to call Crystal Report from Web?
the problem that i get is at the web, it asks about username and password? how to solve it. can u send me some code for it?Go to control panel and click Administrative tools-->Data Sources(odbc)-->Select user dsn tab and click add button-->Choose ur database driver click finish button and then u select database from there with ur database user name and password....

i hope this will help u ...