calling rdl report in asp page

Question

hi
 i am using vs 4.0
and i want to call rdl report in my aspx page from reporting server. can any one tell me how to get it .
i tried with following code but it gives me an error as

• The request failed with HTTP status 401: Unauthorized.

• 
  here is my cs code

• 
  
  MyReportViewer.ProcessingMode = Microsoft.Reporting.WebForms.ProcessingMode.Remote;
                  
                  MyReportViewer.ServerReport.ReportServerCredentials = new ReportServerNetworkCredentials();
                  
                 
                  MyReportViewer.ServerReport.ReportServerUrl = new Uri(@"server url");
                  MyReportViewer.ServerReport.ReportPath = "Daily Reports/Facility Log";
                  MyReportViewer.ShowParameterPrompts = false;
                  MyReportViewer.ShowPrintButton = true;
                 // if report requires parameter
                  Microsoft.Reporting.WebForms.ReportParameter[] reportParameterCollection = new Microsoft.Reporting.WebForms.ReportParameter[1];
                  reportParameterCollection[0] = new Microsoft.Reporting.WebForms.ReportParameter();
                  reportParameterCollection[0].Name = "INVOICEID";
                  reportParameterCollection[0].Values.Add("ABC011223");
  
  
                  MyReportViewer.ServerReport.SetParameters(reportParameterCollection);
                  MyReportViewer.ServerReport.Refresh();
  
  can any one help me out?????