How to Logout button Windows Authentication in asp.net application

c# asp.net windows-authentication

11,631

Solution 1

I have a Web-form solution for this , you can use it , I hope be useful for you.

logout.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="logout.aspx.cs" Inherits="logout" %>

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <meta http-equiv="Cache-Control" content="no-cache">
    <meta http-equiv="Pragma" content="no-cache">
    <meta http-equiv="Expires" content="0">
</head>
<body>
    <script type="text/javascript">
        function HandleResult(arg, context) {
            window.location = "/Login.aspx";
        }
    </script>
    <form id="form1" runat="server">
    </form>
    <script>
        CallServer('LoGout', '');
            var Backlen=history.length;   
        history.go(-Backlen);   
        window.location.href = "/Login.aspx";

    </script>
</body>
</html>

logout.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;


public partial class logout : System.Web.UI.Page, System.Web.UI.ICallbackEventHandler
{
    public void RaiseCallbackEvent(string eventArgument)
    {
    }

    public string GetCallbackResult()
    {
        return "";
    }

    protected void Page_Load(object sender, EventArgs e)
    {
        ClearAll();
        ClientScriptManager cm = Page.ClientScript;
        string cbReference = cm.GetCallbackEventReference(this, "arg", "HandleResult", "");
        string cbScript = "function CallServer(arg, context){" + cbReference + ";}";
        cm.RegisterClientScriptBlock(this.GetType(), "CallServer", cbScript, true);
        cm.RegisterStartupScript(this.GetType(), "cle", "windows.history.clear", true);
        Response.Redirect("/login.aspx");

    }
    protected void Page_Init(object sender, EventArgs e)
    {
        ClearAll();
    }

    void ClearAll()
    {
        Session.RemoveAll();
        System.Web.Security.FormsAuthentication.SignOut();
        Response.Cache.SetCacheability(HttpCacheability.NoCache);
        Response.Cache.SetExpires(DateTime.UtcNow.AddHours(-1));
        Response.Cache.SetNoStore();


    }
}

I Have this in my projects that working fine.

Solution 2

In windows authentication there is no possibility of logout as you are not using IIS for authentication. You are using that against OS and even if you logout in same browser and then on next request you will automatically login in same browser.

So there is no possibility of logout in windows auhtentication.

See same kind of question in stack overflow.

ASP.NET Windows Authentication logout

11,631

Author by

Harsh Nag

Updated on June 05, 2022

Comments

Harsh Nag almost 2 years

In my Project I am using Windows Authentication Login. Logout Button is Required.

If Click on Logout Button Page should be redirect to Logout.aspx. In Logout.aspx if I press Back Button in Browser that is redirect back.

How To control should not redirect to back In LogOut Page and Ask for Window Authentication Login?