About SessionTimeout settings in asp.net

[askaquest]

Hello,
I am setting SessionState like this in web.config
<sessionState
mode="InProc"
stateConnectionString="tcpip=127.0.0.1:42424"
sqlConnectionString="data source=127.0.0.1;Trusted_Connection=yes"
cookieless="false"
timeout="2"
/>


I want to redirect user to Login page when session is timed out.
In Session_End event of Global.ascx file i wrote like this->
protected void Session_End(object sender, EventArgs e)
{
Session.Clear();
Response.Redirect("login.aspx");
}
But even after 2 min it does not redirecting to Login page.

Can anybody pls help me.
Thanks in advance
-askaquest