How we use sessions here...?

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when i clicked the logout button then i cleared all session value using session.clear(),session.abandon() but i clicked back button in INTERNETEXPLORER it directly go to previous pages.how to handle this type of error in asp.net,c#.net

Here how we use sessions..?

Posted 8-Nov-10 0:24am

venkatrao palepu

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shakil0304003 · Answer 1 · 2010-11-08T01:00:00

Solution 3

You can write in the previous pages something like

if (Session["User"] == null)
Response.Redirect("sign-in.aspx");

Posted 8-Nov-10 1:00am

shakil0304003

RECSEN · Answer 2 · 2010-11-08T00:27:00

Solution 1

Check if the session cleared or not or check the session count when u clicking on back button if the session count is zero then redirect to corresponding page

Posted 8-Nov-10 0:27am

RECSEN

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venkatrao palepu 9-Nov-10 0:05am

Here session count is zero.
I wrote if(session.count==0) redirect to login page
but click on back button in INTERNET EXPLORER its goes to Homepage

anyone plz help me....

jim lahey 9-Nov-10 5:04am

Like I said in my answer, you need to make the page expire so that the browser doesn't load it from the cache and is forced to run the page again, including your code that redirects to the login page.

jim lahey · Answer 3 · 2010-11-08T00:36:00

I remember having this problem, it's caused by only IE for a change not executing the page on using the back button instead the last cached version of that page is displayed. our fix was to set the cache expiry of the page like this:

//NOTE: This is needed in conjunction with Session.Abandon() on logout or the back button click
//sends you straight back to the logged in view 
Response.Cache.SetExpires(DateTime.UtcNow.AddMinutes(-1));
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.Cache.SetNoStore();

hope it helps.