public ActionResult Login(LoginViewModel Model)
    {
        if (ModelState.IsValid)
        {
            if (Model.UserName == "Waail" && Model.Password == "1234")
            {
                FormsAuthentication.SetAuthCookie(Model.UserName, false);
                Session["UserName"] = Model.UserName;
                /*when this is set to false the mvc will
                destroy the cookie after the browser is closed otherwise the username is authenticated*/
                return RedirectToAction("Index","Home");
            }
        }
        return View();
    }