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Posted 1 May 2012

Custom Print Functionality for Microsoft Report Viewer (RDLC)

, 1 May 2012 CPOL
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This tip describes how to create your own printing functionality rather than using built in print functionality on Microsoft Report Viewer.


The following tip will guide you to create a custom printing functionality to print RDLC report rather than using the built in ActiveX print functionality.


There is a major problem in print button on Microsoft Report Viewer. Once you deploy a web application, Client needs to install the ActiveX on their PC in order to print the report. It is said that installing ActiveX is not a secure practice on secured environment. The worst part is when the server/client is on automatic update, there is a security patch which disables the printing functionality completely.

Read more about ActiveX Kill Bits here.

Because of the above reasons, it is wise to have your own printing functionality rather than using the built-in one.

Using the Code

You need to download the third party component called iTextSharp.dll.

You need to export the report to PDF, then print using iTextSharp. Also client needs to install the PDF reader as well.

  1. Create hidden iFrame as follows:
    <iframe id="frmPrint" name="IframeName" width="500" 
      height="200" runat="server" 
      style="display: none" runat="server"></iframe>
  2. Add an ASP.NET button:
    <asp:ImageButton ID="btnPrint" runat="server" OnClick="btnPrint_Click"  />
  3. Add the following references:
    using iTextSharp.text.pdf;
    using iTextSharp.text;
    using System.IO;
  4. Add the following code to button click event:
    Warning[] warnings;              
    string[] streamids;
    string mimeType;
    string encoding;
    string extension;
    byte[] bytes = View.ReportViewer.LocalReport.Render("PDF", null, out mimeType, 
                   out encoding, out extension, out streamids, out warnings);
    FileStream fs = new FileStream(HttpContext.Current.Server.MapPath("output.pdf"), 
    fs.Write(bytes, 0, bytes.Length);
    //Open existing PDF
    Document document = new Document(PageSize.LETTER);
    PdfReader reader = new PdfReader(HttpContext.Current.Server.MapPath("output.pdf"));
    //Getting a instance of new PDF writer
    PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(
       HttpContext.Current.Server.MapPath("Print.pdf"), FileMode.Create));
    PdfContentByte cb = writer.DirectContent;
    int i = 0;
    int p = 0;
    int n = reader.NumberOfPages;
    Rectangle psize = reader.GetPageSize(1);
    float width = psize.Width;             
    float height = psize.Height;
    //Add Page to new document
    while (i < n)
       PdfImportedPage page1 = writer.GetImportedPage(reader, i);
       cb.AddTemplate(page1, 0, 0);
    //Attach javascript to the document
    PdfAction jAction = PdfAction.JavaScript("this.print(true);\r", writer);
    //Attach pdf to the iframe
    frmPrint.Attributes["src"] = "Print.pdf";

Points of Interest

You may need to add read/write permission on the folder where the PDF is created on the server.


  • May 01, 2012: Article created


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Chamila Ranasinghe
Software Developer
Sri Lanka Sri Lanka
No Biography provided

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Comments and Discussions

GeneralMy vote of 4 Pin
JP®29-May-12 2:54
memberJP®29-May-12 2:54 
GeneralRe: My vote of 4 Pin
Chamila Ranasinghe29-May-12 19:03
memberChamila Ranasinghe29-May-12 19:03 

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