protected void btnprintdetail_Click(object sender, EventArgs e) { try { BALItem lcls = new BALItem(); lcls.ItemID = Convert.ToInt64(hdnitemid.Value); lcls.LoggedinBy = defaultPage.UserId; lcls.Filter = ""; List <GetItemDetailsReport_Result> llstdetailreview = lclsservice.GetItemDetailsReport(lcls).ToList(); rvitemdetailreport.ProcessingMode = ProcessingMode.Local; rvitemdetailreport.LocalReport.ReportPath = Server.MapPath("~/Reports/ItemDetailsReport.rdlc"); ReportDataSource datasource = new ReportDataSource("GetItemDetailsReportDS", llstdetailreview); rvitemdetailreport.LocalReport.DataSources.Clear(); rvitemdetailreport.LocalReport.DataSources.Add(datasource); rvitemdetailreport.LocalReport.Refresh(); Warning[] warnings; string[] streamids; string mimeType; string encoding; string extension; byte[] bytes = rvitemdetailreport.LocalReport.Render("PDF", "", out mimeType, out encoding, out extension, out streamids, out warnings); Guid guid = Guid.NewGuid(); string path = ConfigurationManager.AppSettings["TempFileLocation"].ToString(); _sessionPDFFileName = "ItemDetails" + guid + ".pdf"; if (!Directory.Exists(path)) { Directory.CreateDirectory(path); } path = Path.Combine(path, _sessionPDFFileName); using (StreamWriter sw = new StreamWriter(File.Create(path))) { sw.Write(""); } FileStream fs = new FileStream(path, FileMode.Open); // byte[] data = new byte[fs.Length]; fs.Write(bytes, 0, bytes.Length); fs.Close(); ShowPDFFile(path); } catch (Exception ex) { EventLogger log = new EventLogger(config); log.LogException(ex); ScriptManager.RegisterStartupScript(this, this.GetType(), "alert", Constant.MedicalSuppliesErrorMessage.Replace("<<Itemname>>", ex.Message), true); } }