public ActionResult Logout()
        {
            UMClient client = new UMClient();

            client.EndSession(this);
            // The above returns the default sign-on Url, but you may redirect to any custom page as needed
            return(RedirectToAction("Login"));
        }
 public ActionResult Logout()
 {
     UMClient client = new UMClient();
     client.EndSession(this);
     // The above returns the default sign-on Url, but you may redirect to any custom page as needed
     return RedirectToAction("Login");
 }