Passing queries to a crystal report at runtime (urgent PLS Help!!)

[ss_learner]

Hi there,
can anyone pls help me out!!

I am using ASP and crystal reports 8.5
I am able to show report from asp..
My problem is , I have to show the report based on the sql query that is passed to crystal report from asp..

I actually dont know how to pass a query into crystal reports from asp,..I am pretty new to this
Pls help me..
Its urgent

Thanks very much in advance
Regards