string filetype = "";
filetype = ddlFileType.SelectedValue;
string contenttype = "";
string myfilename = Request.MapPath(".")+"file://ReportExportFile//"+Session.SessionID+"."+filetype;
CrystalDecisions.Shared.DiskFileDestinationOptions mydiskfiledestinationoptions = new CrystalDecisions.Shared.DiskFileDestinationOptions();
mydiskfiledestinationoptions.DiskFileName = myfilename;
CrystalDecisions.Shared.ExportOptions myExportOptions = myreport.ExportOptions;
myExportOptions.DestinationOptions = mydiskfiledestinationoptions;
myExportOptions.ExportDestinationType = CrystalDecisions.Shared.ExportDestinationType.DiskFile;
switch(ddlFileType.SelectedItem.Value)
{
case "pdf":
contenttype = "application/pdf";
myExportOptions.ExportFormatType = CrystalDecisions.Shared.ExportFormatType.PortableDocFormat;
break;
case "doc":
Response.ContentType = "application/ms-excel";
myExportOptions.ExportFormatType = CrystalDecisions.Shared.ExportFormatType.WordForWindows;
break;
case "xls":
contenttype = "application/vnd.ms-excel";
this.EnableViewState = false;
myExportOptions.ExportFormatType =CrystalDecisions.Shared.ExportFormatType.Excel;
break;
}
myreport.Export();
Response.ClearContent();
Response.ClearHeaders();
Response.ContentType = contenttype;
Response.WriteFile(myfilename);
Response.Flush();
Response.Close();
System.IO.File.Delete(myfilename);