Parameter report and Run From VB

Hello Experts

I am very new in Crystal Report 10.I can generate normal report and also can run them from vb but..

I need some help how can i make parameter(single and multiple parameter) report in CReport.
and
How can i run those report passing parameter text field using visual basic.

Plz reply ...

You can use the Field Explorer to create Parameter(s) and drag them into your report like a textfield. Then in vb you
can use the Parameters collection to .Add each value to the report parameter(s).