Session value is null app code cs file

Question

I have used the below code in app code session.cs file. It has been loaded initially in httpmodule.cs, whenever every page hit in browser. I found the httpcontext.current.session value is null.

if (HttpContext.Current != null && HttpContext.Current.Session != null)
        {
            try
            {
                if (HttpContext.Current.Session.Keys.Count > 0)
                {

                }
                else
                {
                    HttpContext.Current.Response.Cookies["ecm"].Expires = DateTime.Now;
                    HttpContext.Current.Response.Cookies["ecmSecure"].Expires = DateTime.Now;


                }
            }
            catch (Exception ex)
            {

            }
        }

web.config session settings :

<sessionState mode="InProc" 
              stateConnectionString="tcpip=127.0.0.1:42424" 
              sqlConnectionString="data source=127.0.0.1;Trusted_Connection=yes" 
              cookieless="false" 
              timeout="5" />

What exactly means "loaded initially" ? Is that webforms or MVC asp.net app ? How session is declared in web.config ? — Antonio Bakula
– Antonio Bakula, Commented Sep 17, 2013 at 18:34
<sessionState mode="InProc" stateConnectionString="tcpip=127.0.0.1:42424" sqlConnectionString="data source=127.0.0.1;Trusted_Connection=yes" cookieless="false" timeout="5" /> Intially loaded the httpmodule.cs then we access the session there. — user2739544
– user2739544, Commented Sep 17, 2013 at 18:36

Rahul Tripathi · Accepted Answer · 2013-09-17 18:13:27Z

0

One possible way could be to wrap it in a property and access it like a string:-

string SessionVariable
{
   get{
      return Session("SessionVariable") ?? String.Empty;
   }
   set{
      Session("SessionVariable") = value;
   }
}

then use like:-

if( String.IsNullOrEmpty( SessionVariable) )
{
   // do something
}

edited Sep 17, 2013 at 18:13

answered Sep 17, 2013 at 18:00

Rahul Tripathi

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3 Comments

user2739544 Over a year ago

sorry rahul. I didn't use web service. I use seesion.cs file in app code directory.

Rahul Tripathi Over a year ago

And what about IRequiresSessionState ??

user2739544 Over a year ago

this is not supported...any way

user2739544 · Accepted Answer · 2013-09-18 10:47:57Z

0

Thanks friends with responses. I found the answer. The session value is generated http module. only the end request is called after access the session value. The below code i used.

public void Init(HttpApplication context)
{
    context.BeginRequest += new EventHandler(context_BeginRequest);
    context.EndRequest += new EventHandler(context_EndRequest);
    context.AcquireRequestState += new EventHandler(SessionClear);
}

public void SessionClear(object sender, EventArgs e)
{
    try
    {
        if (HttpContext.Current != null && HttpContext.Current.Session != null)
        {
            if (!(HttpContext.Current.Session.Keys.Count > 0))
            {

            }

        }
    }
    catch (Exception ex)
    {
    }
}

edited Sep 18, 2013 at 10:47

answered Sep 18, 2013 at 10:29

user2739544

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