use crystalreport in asp.net

using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Shared;
using CrystalDecisions.Reporting;


 protected void Page_Init(object sender, EventArgs e)
    {
        ReportDocument cr;
        String data = "SELECT * from tablename";
        SqlDataAdapter ad1 = new SqlDataAdapter(data, connection);
        DataSet ds1 = new DataSet();
        ad1.Fill(ds1);

        path = Server.MapPath("report1.rpt");
        cr = new ReportDocument();
        cr.Load(path);

        cr.SetDataSource(ds1.Tables[0]);
        CrystalReportViewer1.ReportSource = cr;

    }

this will help you if not please post it.
Enjoy.