Scott Hanselman

Getting Session State in HttpHandlers (ASHX files)

November 12, '03 Comments [2] Posted in ASP.NET | HttpHandler
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A reminder to myself and others, when you want to get access to your Session State from an ASHX or HttpHandler, you need to implement IReadOnlySessionState:

<% @ webhandler language="C#" class="DownloadHandler" %>

using System;
using System.Web;
using System.Web.SessionState;

public class DownloadHandler : IHttpHandler, IReadOnlySessionState
{
   public bool IsReusable { get { return true; } }
  
   public void ProcessRequest(HttpContext ctx)
   {
       ctx.Response.Write(ctx.Session["fred"]);
   }
}

About Scott

Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. I am a failed stand-up comic, a cornrower, and a book author.

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Wednesday, November 12, 2003 10:21:42 PM UTC
Or IRequiresSessionState if you need read/write access.
Friday, September 30, 2005 9:34:58 AM UTC
Thanks a lot for this tips :)
pong
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Disclaimer: The opinions expressed herein are my own personal opinions and do not represent my employer's view in any way.