refreshing on crystal reports with a stored procedure.

Hi.
I am refreshing VS2008 reports. So what i want to do is create just a report(file), that will be integrated to another program.
Mssql and no vb code.
I create a new crystal report project, i choose Create new connection - oledb - sql10 navite client connection and i choose db and stored procedure.
Now the report will be inserted to the design. I try a preview and it tells me to to enter parameters value.
I was wondering if i can have this to be selected on the report page as if i drag the parameter field in the report design it will just display as the values i entered in the parameter popup window.
Also i vaguely remember using "@" for values. Is this a feature on the crystal reports full standalone version or is it here also?
Remember i do not need any vb code as this will go as a rpt file in another application.
Thanks.