title: export crystal report to pdf without temp file programmatically in asp net
body: <p>how to export crystal report to pdf without temp file programmatically in asp net from server to end user. 
  If we remove write access of temp folder , then it will cause error.Our admin not giving access to it.Is that any option to export crystal report to pdf for end user.
  Please suggest.</p>
  
  <pre><code>        reportDocument.Load(this.MapPath("xyz.rpt"));
          reportDocument.Database.Tables[0].SetDataSource(dsReport.Tables[0]);           
          rptviewer.ReportSource = Salary_reportDocument;
          rptviewer.Visible = true;
          rptviewer.DataBind();
          reportDocument.ExportToHttpResponse(CrystalDecisions.Shared.ExportFormatType.PortableDocFormat, Response, true, "XYZReport");
  </code></pre>