RDLC Report Take PDF Without Report Viewar

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SQL-Server-2005

ASP.NET

, +

Hi,

I have make RDLC Report In my application. Report datasource is binding in application.

ReportViewer1.ProcessingMode = Microsoft.Reporting.WebForms.ProcessingMode.Local;
ReportViewer1.LocalReport.DataSources.Clear();
ReportViewer1.Visible = true;
ReportViewer1.LocalReport.DataSources.Clear();
ReportViewer1.LocalReport.DataSources.Add(new ReportDataSource(DataSet1_GetBillDetailFromBillId, ObjectDataSource1.ID));
ReportViewer1.LocalReport.ReportPath = Server.MapPath(Report.rdlc);
ReportViewer1.ServerReport.Refresh();

But when I render the report in PDF:

renderedBytes = ReportViewer1.LocalReport.Render(reportType, deviceInfo, out mimeType, out encoding, out fileNameExtension, out streams, out warnings); 

then its Give Exeption "An error occurred during local report processing.".

Any one have idea why it comes?
Please, reply me ASAP.