code to secure logout in c# using asp.net

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I am using the below code to log out in my project

protected void LinkButton11_Click(object sender, EventArgs e)
{
Session.Abandon();
Session.Clear();

Response.Redirect("LOGIN.aspx",true);

}

I want to prevent the user from viewing the previous page using the Back
button after logout. I want to instead show that this page has expired.
How do I do this? but I cant do it by this code...

What am I missing or doing wrong?

Posted 21-Dec-13 2:45am

Member 10441350

Updated 21-Dec-13 3:28am

v2

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joginder-banger 21-Dec-13 8:54am

sorry I can't understand what's you try??? share more information what's you want..

joginder-banger 21-Dec-13 8:55am

which type of data you want after the session.Abandon

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Abhinav S · Accepted Answer · 2013-12-21T02:54:00

Solution 1

Clean the cache might help.
Try this on page load -

VB

Response.Cache.SetAllowResponseInBrowserHistory(False)
Response.Cache.SetCacheability(HttpCacheability.NoCache)
Response.Cache.SetExpires(Now().AddSeconds(-1))
Response.Cache.SetNoStore()
Response.AddHeader("Pragma", "no-cache")
Response.Write("" & DateTime.Now.ToLongTimeString())

Posted 21-Dec-13 2:54am

Abhinav S

Comments

[no name] 21-Dec-13 10:43am

when I used above code I got errors like

Error 1 The name 'False' does not exist in the current context
Error 2 The name 'Now' does not exist in the current context

Abhinav S 21-Dec-13 11:54am

Use false not False.

[no name] 21-Dec-13 23:58pm

But still I have the same problem...