Aspdotnetcodebook

In this post i will show how to export Webpage as image in asp.net

Start Visual Studio 2005.
Create a Web site.
Add Reference of System.Windows.Forms
Add AspCompat="true" in page attribute.
Verify that the following namespaces are included in the ExportWebPageToImage.c

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.Drawing;
using System.Drawing.Imaging;
using System.Windows.Forms;

Here is complete source code

<%@ Page Language="C#" AspCompat="true" AutoEventWireup="true" CodeFile="ExportWebPageToImage.aspx.cs"
   Inherits="ExportWebPageToImage" %>

<!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>
   <style type="text/css">
       .style1
       {
           width: 100%;
       }
   </style>
</head>
<body>
   <form id="form1" runat="server">
   <div>
       <asp:TextBox ID="txtUrl" runat="server" Width="208px"></asp:TextBox><br />
       <asp:Button ID="btnConvert" runat="server" Text="Convert Page To Image" OnClick="btnConvert_Click" />
   </div>
   </form>
</body>
</html>

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.Drawing;
using System.Drawing.Imaging;
using System.Windows.Forms;

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


   }

   public System.Drawing.Bitmap CaptureWebPage(string URL)
   {
       // create a hidden web browser, which will navigate to the page
       System.Windows.Forms.WebBrowser web = new System.Windows.Forms.WebBrowser();
       // we don't want scrollbars on our image
       web.ScrollBarsEnabled = false;
       // don't let any errors shine through
       web.ScriptErrorsSuppressed = true;
       // let's load up that page!
       web.Navigate(URL);

       // wait until the page is fully loaded
       while (web.ReadyState != WebBrowserReadyState.Complete)
           System.Windows.Forms.Application.DoEvents();
       System.Threading.Thread.Sleep(1500); // allow time for page scripts to update
       // the appearance of the page

       // set the size of our web browser to be the same size as the page
       int width = web.Document.Body.ScrollRectangle.Width;
       int height = web.Document.Body.ScrollRectangle.Height;
       web.Width = width;
       web.Height = height;
       // a bitmap that we will draw to
       System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(width, height);
       // draw the web browser to the bitmap
       web.DrawToBitmap(bmp, new System.Drawing.Rectangle(0, 0, width, height));

       return bmp; // return the bitmap for processing
   }
   protected void btnConvert_Click(object sender, EventArgs e)
   {
       Bitmap bitmap = new Bitmap(CaptureWebPage(txtUrl.Text));
       Response.ContentType = "image/jpeg";
       bitmap.Save(Response.OutputStream, ImageFormat.Jpeg);
       bitmap.Dispose();
       bitmap.Dispose();
       Response.End();
   }
}