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How to export reportbook to one pdf file?

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answered on 30 Mar 2012, 07:38 PM

I got the error :

An error has occurred while processing the report. Processing canceled. Check the InnerException for more information.

When I use reportviewer, I can see the reports and export the reports to pdf successfully. The problem is when I tried to open them from a webform with Acrobat Reader program. I got this error.

here is my code:

private

void ExportToPDF(Telerik.Reporting.Report reportToExport)

{

ReportBook reportBook = new ReportBook();

reportBook.Reports.Add(reportToExport);

var ReportID = Convert.ToInt64(hidReportId.Value.ToString());

if (CheckAddendum(ReportID))

{

var addendumReport = new Report.ReportAddendum();

reportBook.Reports.Add(addendumReport);

}

var deviceInfo = new System.Collections.Hashtable();

ReportProcessor reportProcessor = new ReportProcessor();

RenderingResult result = reportProcessor.RenderReport("PDF", reportBook, deviceInfo);

string fileName = result.DocumentName + ".pdf";

Response.Clear();

Response.ContentType = result.MimeType;

Response.Cache.SetCacheability(

HttpCacheability.Private);

Response.Expires = -1;

Response.Buffer =

true;

Response.AddHeader(

"Content-Disposition",

string.Format("{0};FileName=\"{1}\"",

"attachment",

fileName));

Response.BinaryWrite(result.DocumentBytes);

Response.End();

}
Thanks.