public ActionResult Index()
 {
     if (USerConfig.GetUserName() == "admin")
     {
         User_Controller _USerDatalayer = new User_Controller();
         List <User>     ListUser       = _USerDatalayer.ListUsers();
         return(View(ListUser));
     }
     else
     {
         return(RedirectToAction("Index", "Home"));
     }
 }