report from reportviewer without viewing the control

It exports both xls and pdf.  Try that.

private   void  ExportData(LocalReport report,  string  extension)   
        {   
             //  Out params to pass into the Render method   
            Microsoft.Reporting.WebForms.Warning[] warnings;   
             string [] streamids;   
             string  mimeType, encoding, extensionOut;   
  
            report.EnableHyperlinks  =   true ;               
             byte [] bytes  =  report.Render(extension,  null ,  out  mimeType,   
                                         out  encoding,  out  extensionOut,   
                                         out  streamids,  out  warnings);   
  
            Response.Clear();   
            Response.ContentType  =  mimeType;               
            Response.AppendHeader( " Content-Disposition " ,    
                     string .Format( " attachment; filename={0}.{1} " ,   
                    DateTime.Now.ToString( " yyyyMMdd " ), extensionOut));   
            Response.BinaryWrite(bytes);   
            Response.End();   
        }