protected void WebReport1_StartReport(object sender, EventArgs e)
    {
        int ReportNum = Convert.ToInt32(Request.QueryString.Get("reportnum"));
        switch (ReportNum)
        {

            case 1:               
                WebReport1.ReportFile = "report1.frx";
                break;
            case 2:
                WebReport1.ReportFile = "report2.frx";                                
                break;
        }       
    }

 protected void Page_Load(object sender, EventArgs e)
    {              
        WebReport1.Prepare();
    }    

 protected void WebReport1_StartReport(object sender, EventArgs e)
    {
        int ReportNum = Convert.ToInt32(Request.QueryString.Get("reportnum"));
        FastReport.Report report = (sender as WebReport).Report;
        switch (ReportNum)
        {            
            case 1:
                report.Load(@"c:\a_bidon\report1.frx");
                break;
            case 2:               
                report.Load(@"c:\a_bidon\report2.frx");                
                break;
        }       
    }