how to chek session timeout in code behind

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i have create a website in that chat functionality is there
i want if a user do not logout
a entry should go in database whether he close browser or page is iedal for sometime.
automaticalyy logout

Posted 5-Sep-14 19:32pm

shankar1989

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sankarsan parida · Answer 1 · 2014-09-05T20:19:00

In Session
Specifies the number of minutes that a session can remain idle before the server terminates it automatically. The default is 10 minutes. Session.Timeout has no hard-coded limit. Most Web administrators set this property to 8 minutes. It should not be set higher than 20 minutes (except in special cases) because every open session is holding onto memory. It should also not be set lower than 4 minutes because clients rarely respond within that time resulting in a loss of session state.

XML

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

If the user does not refresh or request a page within the time-out period, the session ends.
And check if session is null in MasterPage load event

if(Session["UserID"]==null)
Response.Redirect("Login.aspx");

User

XML

HTML <meta> Tag

While being able to reload the current page is useful, it is not typically what people want from the meta refresh tag. To redirect to a new page, the syntax is nearly the same as reloading the current page:

<meta http-equiv="refresh" content="600">

content="600"—This is the amount of time, in seconds, until the browser should reload the current page.this time it will redirect to login page if session in null
Get MoreInfo
redirect-meta-refresh.phtml[^]