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Compress Aspx with GZip

, 7 May 2009 GPL3
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A simple function to compress aspx page

Introduction

This is a simple function to compress your aspx page with GZip.

Background

If you need advanced knowledge about compression, please visit this link.

Using the Code

Just call this function in the page render: 

protected override void Render(HtmlTextWriter writer)
{
doCompression();
base.Render(writer); 
}

The method:

public static void doCompression()
{
      HttpContext context = HttpContext.Current;
      HttpRequest request = context.Request;
      string acceptEncoding = request.Headers["Accept-Encoding"];
      HttpResponse response = context.Response;
      if (!string.IsNullOrEmpty(acceptEncoding))
         {
           acceptEncoding = acceptEncoding.ToUpperInvariant();
           response.Filter = new GZipStream(context.Response.Filter, 
                                 CompressionMode.Compress);
           if (acceptEncoding.Contains("GZIP"))
              {
                 response.AppendHeader("Content-encoding", 
                                       "gzip");
              }
           else if (acceptEncoding.Contains("DEFLATE"))
              {
                  response.AppendHeader("Content-encoding", 
                                        "deflate");
              }
         }
           response.Cache.VaryByHeaders["Accept-Encoding"] = true;           
 }

History

  • 7th May, 2009: Initial post

License

This article, along with any associated source code and files, is licensed under The GNU General Public License (GPLv3)

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About the Author

Mohamed Magdy (Medo)
Web Developer
Egypt Egypt
No Biography provided

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Comments and Discussions

 
GeneralAnother big bug Pin
al13n9-Jan-10 0:14
memberal13n9-Jan-10 0:14 
GeneralIncorrect Caching Pin
Member 451353918-May-09 10:15
memberMember 451353918-May-09 10:15 
General[My vote of 2] There is a big bug in the code Pin
katrash13-May-09 3:29
memberkatrash13-May-09 3:29 
GeneralSlower than CompressModule Pin
cecildt12-May-09 3:25
membercecildt12-May-09 3:25 
QuestionUnzip Pin
stixoffire11-May-09 22:20
memberstixoffire11-May-09 22:20 
AnswerRe: Unzip Pin
Mohamed Magdy (Medo)18-May-09 6:03
memberMohamed Magdy (Medo)18-May-09 6:03 
GeneralNeat trick if you can't get access to IIS Pin
Matware11-May-09 19:49
memberMatware11-May-09 19:49 
GeneralIncomplete!!!! Pin
zlezj8-May-09 1:42
memberzlezj8-May-09 1:42 
GeneralRe: Incomplete!!!! Pin
Mohamed Magdy (Medo)11-May-09 1:11
memberMohamed Magdy (Medo)11-May-09 1:11 

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