I tried all the possible combination of codes, and spending almost half of the day searching over the internet but it doesn't work everything, i need help.

Code 1:

Code:
string sFrom = Request.QueryString["From"].ToString()  +" 00:00:00";
        string sTo = Request.QueryString["To"].ToString() +" 23:59:59";

        ReportDocument cryRpt = SalesPrRegion.ReportDocument;
...