HTML to PDF using iTextSharp Library In ASP.NET

by Admin · January 12, 2015

Our article about How to convert HTML to PDF using iTextSharp Library In ASP.NET. We will show you how to Export HTML DIV contents to PDF using iTextSharp or how to export ASP.Net Panel control (which is rendered as HTML DIV) to PDF (Portable Document Format) Document or entire webpage to PDF using iTextSharp Free PDF Library. We will also give introduction to iTextSharp library.

In previous articles we explained Export HTML to Excel, Expand Collapse Nested Gridview, Search Location in Google Map API, WPF Multithreading Backgroundworker, Auto Refresh Page Every 5 Seconds, Color Picker using JavaScript, Hindi TextBox using Google Transliterate API, Image Gallery, Responsive Slider, and many more. Now we will move on HTML to PDF using iTextSharp Library In ASP.NET.

Introduction to iTextSharp

iTextSharp is a free library to create PDF documents using C#.net. It gives you more flexibility to documents in terms of look and feel and overall customization of PDF documents. iTextSharp’s objects like Table, Cell, paragraph, phrase etc. makes things easy to create professional pdf documents. It allows you to control every pixel and line of PDF file. Using iTextSharp you can only create PDF files.

Following are the steps to convert HTML to PDF using iTextSharp Library In ASP.NET

CREATE A NEW WEB APPLICATION

If you are sound with the ASP.NET then you know very well how to create a web application.
LEARN MORE : LEARN MORE ABOUT HOW TO CREATE AN ASP.NET WEB APPLICATION

DOWNLOAD “itextsharp.dll” & “GeneratePDF.cs”

You can download “itextsharp.dll” & “GeneratePDF.cs” file from given link :
DOWNLOAD “itextsharp.dll” & “GeneratePDF.cs”

Create folder and add .cs file

Create folder and add cs file

Add itextsharp dll into project

Add Reference

Select dll and add into project

Add .aspx code

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ConvertHTMLtoPDF.aspx.cs" Inherits="HTMLtoPDF.ConvertHTMLtoPDF" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
      <div id="dvHtml" runat="server" style="margin: 0 0 0 0;">
        <div>
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        </div>
    </div>
    <br />
    <br />
    <center>
        <asp:Button ID="btnClick" runat="server" OnClick="btnClick_Click" style="Height:30px" Text="HTML Download as PDF" />
    </center>
    </form>
</body>
</html>

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ConvertHTMLtoPDF.aspx.cs" Inherits="HTMLtoPDF.ConvertHTMLtoPDF" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

</head>

<body>

<div>

CODE SCRATCHER

Dear candidate,

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target="_blank" style="color: #292929; text-decoration: none;">https://www.facebook.com/thecodescratcher</a>

Visit this website: <a href="http://www.codescratcher.com" target="_blank"

style="color: #292929; text-decoration: none;">http://www.codescratcher.com</a>

You can get the different solutions with demo example source code from <a href="http://www.codescratcher.com"

target="_blank" style="color: #292929; text-decoration: none;">CODE SCRATCHER</a>. We will always with you, so share your problem with us and we will give you best

solutions as soon as possible.

Complete project download section comming soon.

Material with the download links are listed below.

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target="_blank" style="color: #292929; text-decoration: none;">http://www.codescratcher.com/asp-net-interview-questions</a>

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</div>

<asp:Button ID="btnClick" runat="server" OnClick="btnClick_Click" style="Height:30px" Text="HTML Download as PDF" />

</center>

</form>

</body>

</html>

Add code-behind code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;

using System.Data;
using iTextSharp.text;
using iTextSharp.text.html.simpleparser;
using iTextSharp.text.pdf;

namespace HTMLtoPDF
{
    public partial class ConvertHTMLtoPDF : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void btnClick_Click(object sender, EventArgs e)
        {
            DownloadAsPDF();
        }

        public void DownloadAsPDF()
        {
            try
            {
                string strHtml = string.Empty;
                string pdfFileName = Request.PhysicalApplicationPath + "\\files\\" + "GenerateHTMLTOPDF.pdf";

                StringWriter sw = new StringWriter();
                HtmlTextWriter hw = new HtmlTextWriter(sw);
                dvHtml.RenderControl(hw);
                StringReader sr = new StringReader(sw.ToString());
                strHtml = sr.ReadToEnd();
                sr.Close();

                CreatePDFFromHTMLFile(strHtml, pdfFileName);

                Response.ContentType = "application/x-download";
                Response.AddHeader("Content-Disposition", string.Format("attachment; filename=\"{0}\"", "GenerateHTMLTOPDF.pdf"));
                Response.WriteFile(pdfFileName);
                Response.Flush();
                Response.End();
            }
            catch (Exception ex)
            {
                Response.Write(ex.Message);
            }
        }

        public void CreatePDFFromHTMLFile(string HtmlStream, string FileName)
        {
            try
            {
                object TargetFile = FileName;
                string ModifiedFileName = string.Empty;
                string FinalFileName = string.Empty;


                GeneratePDF.HtmlToPdfBuilder builder = new GeneratePDF.HtmlToPdfBuilder(iTextSharp.text.PageSize.A4);
                GeneratePDF.HtmlPdfPage first = builder.AddPage();
                first.AppendHtml(HtmlStream);
                byte[] file = builder.RenderPdf();
                File.WriteAllBytes(TargetFile.ToString(), file);

                iTextSharp.text.pdf.PdfReader reader = new iTextSharp.text.pdf.PdfReader(TargetFile.ToString());
                ModifiedFileName = TargetFile.ToString();
                ModifiedFileName = ModifiedFileName.Insert(ModifiedFileName.Length - 4, "1");

                iTextSharp.text.pdf.PdfEncryptor.Encrypt(reader, new FileStream(ModifiedFileName, FileMode.Append), iTextSharp.text.pdf.PdfWriter.STRENGTH128BITS, "", "", iTextSharp.text.pdf.PdfWriter.AllowPrinting);
                reader.Close();
                if (File.Exists(TargetFile.ToString()))
                    File.Delete(TargetFile.ToString());
                FinalFileName = ModifiedFileName.Remove(ModifiedFileName.Length - 5, 1);
                File.Copy(ModifiedFileName, FinalFileName);
                if (File.Exists(ModifiedFileName))
                    File.Delete(ModifiedFileName);

            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
    }
}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.IO;

using System.Data;

using iTextSharp.text;

using iTextSharp.text.html.simpleparser;

using iTextSharp.text.pdf;

namespace HTMLtoPDF

{

public partial class ConvertHTMLtoPDF : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

}

protected void btnClick_Click(object sender, EventArgs e)

{

DownloadAsPDF();

}

public void DownloadAsPDF()

{

try

{

string strHtml = string.Empty;

string pdfFileName = Request.PhysicalApplicationPath + "\\files\\" + "GenerateHTMLTOPDF.pdf";

StringWriter sw = new StringWriter();

HtmlTextWriter hw = new HtmlTextWriter(sw);

dvHtml.RenderControl(hw);

StringReader sr = new StringReader(sw.ToString());

strHtml = sr.ReadToEnd();

sr.Close();

CreatePDFFromHTMLFile(strHtml, pdfFileName);

Response.ContentType = "application/x-download";

Response.AddHeader("Content-Disposition", string.Format("attachment; filename=\"{0}\"", "GenerateHTMLTOPDF.pdf"));

Response.WriteFile(pdfFileName);

Response.Flush();

Response.End();

}

catch (Exception ex)

{

Response.Write(ex.Message);

}

public void CreatePDFFromHTMLFile(string HtmlStream, string FileName)

{

try

{

object TargetFile = FileName;

string ModifiedFileName = string.Empty;

string FinalFileName = string.Empty;

GeneratePDF.HtmlToPdfBuilder builder = new GeneratePDF.HtmlToPdfBuilder(iTextSharp.text.PageSize.A4);

GeneratePDF.HtmlPdfPage first = builder.AddPage();

first.AppendHtml(HtmlStream);

byte[] file = builder.RenderPdf();

File.WriteAllBytes(TargetFile.ToString(), file);

iTextSharp.text.pdf.PdfReader reader = new iTextSharp.text.pdf.PdfReader(TargetFile.ToString());

ModifiedFileName = TargetFile.ToString();

ModifiedFileName = ModifiedFileName.Insert(ModifiedFileName.Length - 4, "1");

iTextSharp.text.pdf.PdfEncryptor.Encrypt(reader, new FileStream(ModifiedFileName, FileMode.Append), iTextSharp.text.pdf.PdfWriter.STRENGTH128BITS, "", "", iTextSharp.text.pdf.PdfWriter.AllowPrinting);

reader.Close();

if (File.Exists(TargetFile.ToString()))

File.Delete(TargetFile.ToString());

FinalFileName = ModifiedFileName.Remove(ModifiedFileName.Length - 5, 1);

File.Copy(ModifiedFileName, FinalFileName);

if (File.Exists(ModifiedFileName))

File.Delete(ModifiedFileName);

}

catch (Exception ex)

{

throw ex;

}

RUN PROJECT AND CHECK FINAL OUTPUT

HTML to PDF using iTextSharp Library In ASP – Output

Source Code

What do you think of this article? HTML to PDF using iTextSharp Library In ASP.NET

If you have ideas about this article, or an opinion on how we can make it better, then let us know by emailing…
help@codescratcher.com

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Fidel says:

January 31, 2015 at 3:37 am

Hi there, just became alert to your blog through Google, and found that it is truly informative.
I’m going to watch out for brussels. I’ll appreciate if you continue this in future.
Lots of people will be benefited from your writing.
Cheers!

Reply
Alisha says:

February 2, 2015 at 7:50 am

Usually I don’t read post on blogs, however I wish to say that this write-up very pressured me to
check out and do so! Your writing taste has been surprised me.
Thank you, quite great post.

Reply
noroozi says:

October 2, 2015 at 12:42 pm

hello
when I add Unicode characters like “فق” pdf file don’t show this characters.
maybe cant render this characters.

Reply
- Admin says:
  
  December 19, 2015 at 9:53 am
  
  We will post new article related to your query in next few days.
  So keep in touch…
  Share articles with your friends…
  Thanks!
  
  Reply
Joxin says:

October 22, 2015 at 2:32 pm

Thank you for this article. This helped me.

Reply
mehmet can says:

November 18, 2015 at 7:13 am

Hi there, your code works perfect but some character does not appear on pdf. For example turkish character(ş,iö,ğ,ü). Can you help me?

Reply
- Admin says:
  
  December 19, 2015 at 9:53 am
  
  We will post new article related to your query in next few days.
  So keep in touch…
  Share articles with your friends…
  Thanks!
  
  Reply
amit says:

November 26, 2015 at 8:45 am

how to add hindi unicode in pdf for unicode font print anf if we use table how to repeat table header

Reply
- Admin says:
  
  December 19, 2015 at 9:57 am
  
  Keep in touch…
  We will post new article related to your query in next few days.
  Share articles with your friends…
  Thanks!
  
  Reply
bhushan says:

December 9, 2015 at 1:41 pm

hii
i am getting error for following

GeneratePDF.HtmlToPdfBuilder builder = new GeneratePDF.HtmlToPdfBuilder(iTextSharp.text.PageSize.A4);
GeneratePDF.HtmlPdfPage first = builder.AddPage();

Reply
- Admin says:
  
  December 19, 2015 at 9:55 am
  
  Share your error message with us.
  Thanks!
  
  Reply
  - saimanisha says:
    
    June 20, 2017 at 8:03 am
    
    even iam getting the same error
    GeneratePDF.HtmlToPdfBuilder builder = new GeneratePDF.HtmlToPdfBuilder(iTextSharp.text.PageSize.A4);
    GeneratePDF.HtmlPdfPage first = builder.AddPage()
    what is there in GeneratePDF class
    
    Reply
bhushan says:

December 10, 2015 at 5:11 am

hiii
got error while open pdf file
“either not supported file or it will be a attached file”

Reply
- Admin says:
  
  December 19, 2015 at 9:47 am
  
  Please check your pdf file. Is it in correct format?
  Also please compare your code with our working demo.
  If anything then let us know.
  Thanks!
  
  Reply
Deekshit says:

December 29, 2015 at 7:24 pm

Hi, I am getting an error stating
“Error 4 The name ‘Markup’ does not exist in the current context C:\Proj\WebApplication1\WebApplication1\GeneratePDF.cs 198 41 WebApplication1″

Please help.

Reply
- Admin says:
  
  January 2, 2016 at 9:27 am
  
  Hello Deekshit,
  Can you please download the demo of this article. and try to compare it with your code.
  Hope it will help to you.
  Thanks!
  
  Reply
manikandan says:

December 31, 2015 at 6:54 am

I am getting the same error in generatepdf method, i have added the two dll eventhough I’m getting pls help me

Reply
- Admin says:
  
  January 2, 2016 at 9:29 am
  
  Hello Manikandan,
  Can you please download the demo of this article. and try to compare it with your code.
  Hope it will help to you.
  
  Also you can check below link to Generate PDF.
  http://www.codescratcher.com/asp-net/display-unicode-characters-in-converting-html-to-pdf
  
  Thanks!
  
  Reply
nadeem says:

January 29, 2016 at 12:05 pm

Great article.

Reply
sunil says:

June 24, 2016 at 9:45 am

Not working for unicoded text like हिंदी ?? How to overcome this issue ?

Reply
- Admin says:
  
  June 25, 2016 at 6:16 am
  
  Hello Sunil,
  
  Please check below link to Generate PDF.
  http://www.codescratcher.com/asp-net/display-unicode-characters-in-converting-html-to-pdf
  
  Hope you will get the solution.
  Let us know if you have any query.
  Thanks!
  
  Reply
Chandra Shekar says:

June 27, 2016 at 12:53 pm

Your Code is working perfectly, But is not supporting CSS styles and images for me ..can u help me out
Thanks

Reply
- Admin says:
  
  July 12, 2016 at 4:59 pm
  
  You need to add style inside the tag and give the full path of image to display in PDF.
  
  Reply
Tarun Jain says:

July 8, 2016 at 5:58 am

Hello author..!!
I’d like to know what is dvHtml,due to this class error occur “dvHtml keyword doesn’t exist in project ”
Please Help me out ASAP..
Thanks in advanced.

Reply
- Admin says:
  
  July 12, 2016 at 4:54 pm
  
  Hi Tarun,
  You can see dvHtml is available in .aspx page. It’s available with runat tag.
  Thanks!
  
  Reply
Jonathan says:

August 27, 2016 at 9:09 pm

Guys I’m getting Script controls must be registered using RegisterScriptControl() before calling RegisterScriptDescriptors() while importing my HTML code , the exception seems to be triggered by this function. RenderControl(hw); Do you have a clue about how to sort this out. There are a lot of info within the Web but nothing works.
Thanks in advance.

Reply
valli says:

December 20, 2016 at 12:08 pm

is possible to add header that should repeat in all the pages of pdf?

Reply
- Admin says:
  
  December 30, 2016 at 7:57 pm
  
  Yes, you can use PdfPTable and set the table.HeaderRows = 3;
  
  Reply
Naveed says:

June 12, 2017 at 8:53 am

How to Convert/Export an ASPX page with texboxes and other controls(Checkbox,Radio buttons etc) to PDF using itextsharp

Can any one help?

Reply
Ajeeth Kapoor says:

June 12, 2018 at 12:20 pm

Aloha,

You make learning and reading addictive. All eyes fixed on you. Thank you being such a good and trust worthy guide.

I have this Splitter. Which have first pane 25% width. In first pane is grid which i want 100% width and height. But on page load the first pane have width 100% and in this time the grid is rendered. Then the pane shrink to the 25% but the grid do not refresh his size. After i do some resize with page the grid refresh well. Also please how to add 100% height for the grid? Pictures attached ASP .Net

But great job man, do keep posted with the new updates.

Best Regards,
Ajeeth

Reply
Valentina Nelson says:

July 7, 2018 at 1:07 pm

Thanx for sharing it….You can also used zetpdf to convert Html to PDF. I am using it and experience of using it is awesome…

Reply
bornHye says:

November 2, 2018 at 2:45 am

converting html to pdf using another third part library in c# https://www.iditect.com/tutorial/html-to-pdf/

Reply