HttpContext.Current is null in thread

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Hello,

I am trying to use thread for a method in my asp.net application. But in thread method its giving HttpContext.Current as null. Is there any solution for this.

In pageload :

C#

Thread t1 = new Thread(new ThreadStart(populateProfile));
 t1.Start();

In populateProfile method HttpContext is null.

Thanks,

Posted 30-Oct-13 3:31am

Mada Naga Sankar

Updated 30-Oct-13 3:53am

RaisKazi

v2

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JoCodes · Answer 1 · 2013-10-30T18:54:00

Solution 2

Check the below link which handles the same issue.

http://odetocode.com/articles/112.aspx[^]

Hope this helps

Posted 30-Oct-13 18:54pm

JoCodes

Comments

Mada Naga Sankar 31-Oct-13 2:42am

Its working but HttpContext.Session is showing as null. I am unable to access session values which are assigned in Main thread. Is there anything to include.

JoCodes 31-Oct-13 3:29am

Can you show how and where you are assigning the session in mainthread? May be i ll try to replicate the issue check

Mada Naga Sankar 31-Oct-13 3:33am

In login page :
Session["EmpData"] = dt;

After login master page will be excuted

In masterpage:
protected void Page_Load(object sender, EventArgs e)
{
populateProfile();
}

private void populateProfile()
{
DataTable dt = bl.getEmployeeTypes(0, Convert.ToInt32(GlobalMethods.getSessionValue("EmpData", "CompanyId")));

}

public static object getSessionValue(string sessionName, string valueName)
{
object value = null;
DataTable dt = new DataTable();
if (HttpContext.Current != null)
{
dt = (DataTable)HttpContext.Current.Session[sessionName];
if (dt.Rows.Count > 0)
{
value = dt.Rows[0][valueName];
}
}
return value;
}

Session is null in getSessionValue method

JoCodes 31-Oct-13 3:57am

Have you tried the context.Session["sessionName"] instead of context.current.session["sessionName"] along with the modification provided in the solution link

Mada Naga Sankar 31-Oct-13 6:24am

There is no Session property in HttpContext.

Mada Naga Sankar 31-Oct-13 6:48am

If Session is in aspx.cs file we can access like Session["name"], but method which is having session is in separate class file. There directly we cant use Session keyword, i should use HttpContext.Current.Session["name"]. I need to keep the method in separate class only. Is there any solution for this.

JoCodes 1-Nov-13 4:34am

Check the link carefully .. They are using seperate class only . I tried and tested it . check
HttpContext context = state as HttpContext
context.Session which I tried . May be i ll also check if missed out something

Eon Malherbe · Answer 2 · 2013-10-30T03:42:00

Solution 1

The HttpContext is kept in thread local storage. This article may help you solve that:

http://adventuresdotnet.blogspot.com/2010/10/httpcontextcurrent-and-threads-with.html#!/2010/10/httpcontextcurrent-and-threads-with.html[^]

Posted 30-Oct-13 3:42am

Eon Malherbe

Comments

Mada Naga Sankar 31-Oct-13 2:42am

Its working but HttpContext.Session is showing as null. I am unable to access session values which are assigned in Main thread. Is there anything to include.