title: After logout if browser back button press then it go back last screen
body: <p>Hello I am developing a solution in MVC in first time so I am facing a big issue,
  When I logout from my application(mvc razor web application) it displays login page, but if i  press browser back button it displays last screen, i don't want this, i want if i press back button it still display same login page.
  here is my code for logout</p>
  
  <pre><code>public ActionResult Logout()
      {
          Session.Clear();
          Session.Abandon();
          Session.RemoveAll();
  
          FormsAuthentication.SignOut();
  
  
          this.Response.Cache.SetExpires(DateTime.UtcNow.AddMinutes(-1));
          this.Response.Cache.SetCacheability(HttpCacheability.NoCache);
          this.Response.Cache.SetNoStore();          
  
          return RedirectToAction("Login");
      }
  </code></pre>