Prblem Working with Session

**PRR** · Feb 27 '09, 11:41 AM

You need to check on each page whether user is authenticated or not ...and on logout redirect the user to login page or some other page accessible to all...

Code:

if (User.Identity.IsAuthenticated)
        {
            //go on
        }
        else
        {
            //clear session 
            // Redirect to login page
        }

In case you are using generic identity you need to set the current thread principal ..

**Vkas** · Feb 27 '09, 12:35 PM

hi Deep

I am checking it works ok

Un Authorize user is being checked in each page using a id!

but after the user clicks the logout
this is the code !
Session.Clear()
Response.Redire ct("Default.asp x")

if i try to access the page throug address bar the page is responded to the default page ! as the user had been logged out and id is being cleared from the session
but

if i clicked back the user again become log in !!

**Vkas** · Feb 28 '09, 05:13 AM

where iz every one yar !

i havent tesse any of you so much

**alamodgal** · Feb 28 '09, 06:06 AM

hiiiiiiiiiiiii
You can use this script code in <head> tag of your pages

<script>
history.forward ();
</script>

this will not save your previous history and your back button doesn't show previous page of yours!

**kunal pawar** · Mar 2 '09, 06:48 AM

use session.abandan t();

which dispose all session values. Please do not use session.clear() ;

**Vkas** · Mar 2 '09, 06:50 AM

what is the difference Between Both
Can u tell me ! Kunal

**kunal pawar** · Mar 2 '09, 07:02 AM

I am expecting question.

Session.Abandon :
1) Cancels the current Session.
2) It destoys session from memory.

Session.Clear
1) clears all values from Session state
2) Session Variables are present with blank or null value.

**Vkas** · Mar 2 '09, 07:28 AM

ok thank you

after i done session .abundant ()
i redirect my page to my Home page !

but when the user clicks on back button it again goes in page yet i have made a check that if the session value becomes empty then user should be redirected to the Home page ! any idea how can i stop the user to go back when he is log out

**kunal pawar** · Mar 2 '09, 09:13 AM

From log out page do not redirect to home page
create intermediat page, onload of that page it redirectes to home page

for eg. As user click on log out

session.Abandon ();
Response.Redire ct("ClearHistor y.aspx")

In ClearHistory.as px

using javascript in body tag

onload="windows .location='Defa ult.aspx';"

So when click on logout it redirect to clearHistory and this page alway redirect to Default.aspx so user can not go back

**PRR** · Mar 2 '09, 11:24 AM

have you enabled anonymous login? or denied anonymous users?
also

Code:

FormsAuthentication.SignOut();

**Vkas** · Mar 2 '09, 12:13 PM

y i have done that the method that Kunal said worked in my practice site

but i think this method is not a very gud technique i will now make anew login page then would try to Use yours Method

**Frinavale** · Mar 2 '09, 02:53 PM

Just so you know, when you click the "back" button in the Web Browser a cached version of your page is shown.

This means that there is no call made to the web server....it is simply showing the person the content of the page that was cached by the browser.

Look into using <meta> tags to tell the web browser not to cache the content...such as:

Code:

<META HTTP-EQUIV="CACHE-CONTROL" CONTENT="NO-CACHE, must-revalidate, max-age=0">
<meta http-equiv="expires" content="0">
<meta http-equiv="Pragma" content="no-cache">

From experience, I've found that meta tags don't always work...but if you research this you will have a much better idea of what needs to be done to prevent the cached page from being displayed when the back button is clicked.

**Vkas** · Mar 3 '09, 05:12 AM

ok Frinavale!

I will research on the thing that you have told me !

and then will try to impliment them in my Site ! thanks again!

If i couldnt then Will get help from all of the Experience people here!

Prblem Working with Session

Prblem Working with Session

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