how to prevent browser that not go to login page using back button

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i have done login using session a little code snippet below

C#

if (dt.Rows.Count > 0)
                {
                    Session.Add("UserID", dt.Rows[0][0].ToString());
                    Session.Add("Username", dt.Rows[0][1].ToString());
                    Session.Add("UserEmail", dt.Rows[0][2].ToString());
                    Response.Redirect("~/Home.aspx", false);
                    
                }

login page working fine and after logged In it leads to me home.aspx but the problem is as i click back button of my browser it lead to me login page again.

Posted 2-Jul-13 20:57pm

Muhamad Faizan Khan

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Zoltán Zörgő 3-Jul-13 3:00am

As I know, you can't stop this. But why should you?

Muhamad Faizan Khan 3-Jul-13 3:18am

what ? isnt possible;-( i want to stop this becuase user already logged in

Zoltán Zörgő 3-Jul-13 3:43am

Well, than act accordingly within the logic of your application. Although Rohan Leuva's suggesion could work, it won't prevent user to enter login url directly, or use it as bookmark. So you still have to deal with it in your application logic.

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Thanks7872 · Accepted Answer · 2013-07-02T21:18:00

Use the below code on the page head which you want to prevent to be landed using back button

XML

<script type="text/javascript">
  function preventBack() { window.history.forward(); }
  setTimeout("preventBack()", 0);
  window.onunload = function() { null };
</script>

<script language="JavaScript" type="text/javascript">
  javascript: window.history.forward(1);
</script>

And a lot more can be found here

logout button code...[^]

Regards..:laugh: