How to access session in.ashx file

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Hello,

I want to access some value(which is already set in.aspx file) in .ashx file. I tried to get that value using querystring, session etc but each time it failed. Can anyone suggest me how can we access session value in .ashx file?

Thanks

Posted 19-Apr-11 23:46pm

zan0701

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shakil0304003 20-Apr-11 6:42am

Use google 1st!!!

3 solutions

Solution 2

Implement the System.Web.SessionState.IRequiresSessionState[^] interface to your handler.

Now you can access the Session using context.Session from ProcessRequest method

Posted 19-Apr-11 23:59pm

Venkatesh Mookkan

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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Brij · Accepted Answer · 2011-04-19T23:56:00

Solution 1

yes you can access the session in your ashx file. For that you need to implement IRequiresSessionState interface in your handler class.
Then you can access session as context.Session. Here context is the object of class HttpContext, which is passed as a parameter in ProcessRequest method.

Posted 19-Apr-11 23:56pm

Brij

Comments

Venkatesh Mookkan 20-Apr-11 6:00am

You are faster than me. Good Answer!

Susovan biswas 26-Jul-13 5:25am

i have implemented IRequiresSessionState interface in the handler. Still the error "object referance not set to an instant of an object " persists

Brij 20-Apr-11 6:06am

Thnaks :)

zan0701 20-Apr-11 6:17am

I already tried this way but it did not work for me. :(
in temp.aspx file i assigned value to session:
Context.Session["temp"] = _idalbum;
and in .ashx file i tried this:
string allfolder = context.Session["temp"].ToString();
which caused error -object referance not set to an instant of an object because session is null.

Brij 20-Apr-11 6:30am

did you implemented IRequiresSessionState interface in the handler. Without this, you would not be able to access..
If after doing doing this, you are not getting the session data, means there is saome other problem. I have used in this way so many times. try accessing session in any page and check whether it is accessible?

shakil0304003 · Accepted Answer · 2011-04-20T00:39:00

Example:

<![CDATA[<%@ WebHandler Language="C#" Class="AddGiftToRegistryImageHandler" %>

using System;
using System.Web;

public class AddGiftToRegistryImageHandler : IHttpHandler, System.Web.SessionState.IRequiresSessionState
{

    public void ProcessRequest(HttpContext context)
    {
        
            string Name = "";

            if (context.Session["Name"] != null)
                Name = context.Session["Name"];
            

        context.Response.ContentType = "text/plain";
        context.Response.Write(Name);
    }

    public bool IsReusable
    {
        get
        {
            return false;
        }
    }

}

How to access session in.ashx file

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How to access session in.ashx file

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