login to access and logout.then after i enter url it ll be display page.idont want like that

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.NET3.5

Hi Friends

i have one application in that application i login using username and password then i access all pages in my aplication then after i logout.

this is main thing

i logout then after i type url like http://localhost:2424/sample/select.aspx
it ll be display.

i need to display login page in that time(any page i type above url i want to display login page).

and also after i logout i dont want to work back and forward button.

if i logout then after i click back or forward button i need to display login page.

Thanks&Regards
Venkat.S

Posted 3-May-11 20:19pm

vsiddi

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Sergey Alexandrovich Kryukov 4-May-11 2:34am

Do not re-post!
I'll remove your previous question (because this text is a bit longer).
--SA

Peter_in_2780 4-May-11 3:52am

Didn't seem to discourage OP! See http://www.codeproject.com/Questions/191046/when-i-click-back-or-forward-button-wont-display-d.aspx
:mad: (not at you!)

Sandeep Mewara 4-May-11 4:32am

I deleted it now!

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Sandeep Mewara · Accepted Answer · 2011-05-03T21:11:00

For logout back button issue, look: Browser back button issue after logout[^]

For having a login button on URL navigation after logout:
At login, when user is authenticated:

C#

Session["IsLoggedIn"] = "Yes";
//OR
Session["LoggedInUserId"] = "User621";

At the time of logout, clear the session:

C#

Session.Clear();
//OR 
Session["IsLoggedIn"] = null;

If you want to check if user is logged in or not, just see if session value exists. If it's null then they are not authenticated and so direct them to Login URL.

nit_singh · Accepted Answer · 2011-05-03T21:19:00

On every page load just check the value of the Session, if this is null then simply just return to the login page.

protected void Page_Load(object sender, EventArgs e)
{
    if (Session["UserID"] == null)
        Response.Redirect("loginPage.aspx");
}

but better approach is create another page e.g. BasePage and inherit it with "System.Web.UI.Page" and each .aspx.cs should inherit with this BasePage.

Now u can right this logic only once in the BasePage.

public class basePage : System.Web.UI.Page
    {
        protected override void OnLoad(EventArgs e)
        {
            if (Session["UserID"] == null)
                Response.Redirect("loginPage.aspx");
            base.OnLoad(e);
        }
    }

public partial class _Default : basePage

login to access and logout.then after i enter url it ll be display page.idont want like that

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