Session Time out in asp

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How to set session timeout in asp.net and if the session timeout the page has to redirect to login.aspx

Posted 21-Mar-12 18:40pm

Ramu15

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Mukund Thakker · Answer 1 · 2012-03-22T03:21:00

Please refer following url,

After successful login add following code to add user data in session.

C#

HttpContext.Current.Session["UserID"] = data.UserId;
HttpContext.Current.Session["Email"] = data.Email;

Add following code in master page.

C#

public bool checkAuthentication
    {
        get;
        set;
    } 

protected void Page_Load(object sender, EventArgs e)
    {        
        if (checkAuthentication)
        {
            if ((Session["UserID"] + "") == "")
            {
                Response.Write("<script type=\"text/javascript\">" +
                        "window.parent.location = '" + ConfigurationManager.AppSettings["SiteUrl"] + "login?loginUrl=' + window.parent.location + '&mode=session';" +
                                "</script>");
                Response.End();
            }
        }
}

Add following code in each child page where you want to authenticate user session.

C#

protected void Page_PreInit(object sender, EventArgs e)
    {
        this.Master.checkAuthentication = true;
    }

Hope this may help you.

member60 · Answer 2 · 2012-03-21T19:26:00

By default, Session timeouts are set to expire in ASP.NET in 20 minutes. To increase the timeout or expiry you should change the timeout attribute for SessionState in the web.config file

C#

<sessionState  timeout="40" />

Note that if you are using Forms authentication, the Forms timeout setting will log the user out after the set timeout period so you will also have to adjust this attribute:

HTML

<authentication mode="Forms">
          <forms timeout="40"/>
    </authentication>

Redirecting user to login page after session timeout is similar to refreshing the page after certain intervals method. Only thing which will differ is that calculating time after which the page has to be redirected. Hence time can be calculated using Session.timeout property which will give us session timeout value for that session. Add some grace timings to that value and redirect the user to the login page automatically.

Using Window.setTimeout method
In the page Load event:

C#

body.Attributes.Add("onLoad", "window.setTimeout(""window.location.href='login.aspx'""," & (Session.Timeout * 60 * 1000) + 10000 & ");")

Using Meta Tag - Refresh

C#

Response.AppendHeader("Refresh", Convert.ToString((Session.Timeout * 60) + 10) & "; URL=Login.aspx")

Both these methods will redirect the user to login page after session timeout + 10 seconds. This is how you can redirect the user to login page after session timeout without user interaction.

Uday P.Singh · Answer 3 · 2012-03-21T19:21:00

Solution 1

In your web.config write this:

XML

<configuration>
  <system.web>
     <sessionState timeout="20"></sessionState>
  </system.web>
</configuration>

hope it helps :)

Posted 21-Mar-12 19:21pm

Uday P.Singh

Comments

Ramu15 22-Mar-12 1:23am

I have to redirect the page to login.aspx i already made the changes in web.config but no use

Bojjaiah · Answer 4 · 2012-03-21T19:34:00

Solution 3

read this article

Session management options in ASP.NET[^]

Session Management in ASP.NET[^]

Posted 21-Mar-12 19:34pm

Bojjaiah

Ajith The Great · Answer 5 · 2012-03-21T20:10:00

Hi ,

Try Using This In Web.Config To Increase Your Request Length:

<system.web>
    <httpruntime maxrequestlength="2097151">
     enable = "True" executionTimeout="45" />
  </httpruntime></system.web>

If You Want To Redirect To Login Page On Session TimeOut Then:

Create a Session Object Like This :

HttpContext.Current.Session["IsTimeOut"] = true

Check this Session Object and Redirect to any page as your required..

Hope This May Help You..

Pravinjas · Answer 6 · 2012-03-21T20:26:00

Solution 5

Hi,

You can increase session time out in IIS

Application pool=>right click site=>Advance setting=>process model=>Ideal time out(minutes)

by default there is 20 minute, you increase or decrease session time here.

Posted 21-Mar-12 20:26pm

Pravinjas

jitendra kachhi · Answer 7 · 2013-06-30T06:39:00

Solution 7

Go to global.asax file and write the code below:

void Session_Start(object sender, EventArgs e)
{
Session.Timeout = 60;
}

Posted 30-Jun-13 6:39am

jitendra kachhi