Convert webpage into PDF

admin — Tue, 14 Jul 2009 12:25:03 +0000

I was working on a project and have been asked to convert the webpage into a pdf document. I have found a solution in a forum, but it was in c#, I have converted it in VB.net. See below method to convert a webpage into a PDF document.

First, you need to download iTextSharp. iTextSharp is a port of the iText open source java library which allows you to generate PDF files on the fly.

Once you downloaded the library, you need to reference it in your project. To reference the downloaded the library, follow the below steps:

From the Website menu, select “Add Reference”, then you will be prompted with the add reference dialog
Click on the browse button to locate your iTextSharp library (itextsharp.dll)

once you have done that, you should see a reference to your class library in Solution Explorer window.

Now, Add the below code in your project.

pdf.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Pdf.aspx.vb" Inherits="Pdf" %>














This is a test document, credit goes to srinivaskotra

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pdf.aspx.vb

Imports System Imports System.Collections.Generic Imports System.Web Imports System.Web.UI Imports System.Web.UI.WebControls Imports System.IO Imports System.Text.RegularExpressions Imports iTextSharp.text Imports iTextSharp.text.pdf Imports iTextSharp.text.html Imports iTextSharp.text.xml Imports System.Xml Imports iTextSharp.text.html.simpleparser Public Partial Class Pdf Inherits System.Web.UI.Page Protected Overloads Overrides Sub Render(ByVal writer As HtmlTextWriter) Dim mem As New MemoryStream() Dim twr As New StreamWriter(mem) Dim myWriter As New HtmlTextWriter(twr) MyBase.Render(myWriter) myWriter.Flush() myWriter.Dispose() Dim strmRdr As New StreamReader(mem) strmRdr.BaseStream.Position = 0 Dim pageContent As String = strmRdr.ReadToEnd() strmRdr.Dispose() mem.Dispose() writer.Write(pageContent) '--------------------------------------------------- CreatePDFDocument(pageContent) End Sub Public Sub CreatePDFDocument(ByVal strHtml As String) '--------------------------------------------------- Dim strFileName As String = HttpContext.Current.Server.MapPath("test.pdf") ' step 1: creation of a document-object Dim document As New Document() ' step 2: ' we create a writer that listens to the document PdfWriter.GetInstance(document, New FileStream(strFileName, FileMode.Create)) Dim se As New StringReader(strHtml) Dim obj As New HTMLWorker(document) document.Open() obj.Parse(se) document.Close() '--------------------------------------------------- ShowPdf(strFileName) End Sub Public Sub ShowPdf(ByVal strFileName As String) Response.ClearContent() Response.ClearHeaders() Response.AddHeader("Content-Disposition", "inline;filename=" & strFileName) Response.ContentType = "application/pdf" Response.WriteFile(strFileName) Response.Flush() Response.Clear() End Sub End Class

That’s it. Now when you run the program, you will see the pdf file instead opening the webpage.

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This is a test document, credit goes to srinivaskotra
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