Dynamic Crystal Report 8.0

Hi to all..
i have a prob. in .net as i am new to it. i need to genrate the report dynamicaly. i am developing a prog in which we have to genrate bills. can any one help me and guide how to do this..

what i have done is
1) added a crystal report viewer
2) Make a database connection to my table
3) added a Crystal Report
4) Drag the fields to the report]
5) set the Report source of Report
...
now my report is displaying all the bills... but i neet it to display only one bill which i will pass...

Please help me in is and some example code will realy help

Thanks in advance
:wave:

What is the report source?

Reportsource is the propery of CrystalReportViewer