ASP.NET (Generate Report and Create PDF)

try

{

    // Create a Document object
    Document document = new Document(PageSize.A4, 0, 0, 0, 0);

   DataTable dt = new DataTable();

   dt =  BLL.GetInstance.GetValuesFromDataBase();
   dt.AcceptChanges();

    ReportDataSource rds = new ReportDataSource("DataSet1", dt);

   ReportViewer1.ProcessingMode = ProcessingMode.Local;
   ReportViewer1.LocalReport.ReportPath = Server.MapPath(@"~/Report1.rdlc")

   ReportViewer1.LocalReport.DataSources.Add(rds);



    // Create a new PdfWrite object, writing the output to a MemoryStream

   var output = new MemoryStream();

   var writer = PdfWriter.GetInstance(document, output);
    Warning[] warnings;
    string[] streamIds;
    string mimeType = string.Empty;
    string encoding = string.Empty;
    string extension = string.Empty;


    byte[] bytes = null;
    bytes = ReportViewer1.LocalReport.Render("PDF", null, out mimeType, out encoding, out extension, out streamIds, out warnings);

    Response.Buffer = true;

    Response.Clear();

    Response.ContentType = mimeType;

    Response.AddHeader("content-disposition", "attachment; filename=" + "LabelsforIMCB-" + JobID + "." + extension);

    Response.BinaryWrite(bytes); // create the file

     Response.Flush(); // send it to the client to download 

    //Response.ClearContent();

    //Response.ClearHeaders();

     Response.End();
  }

  catch (Exception ex){}