public ActionResult profile()
 {
     if (Session["user_id"] == null)
     {
         return(RedirectToAction("LoginUser", "Home"));
     }
     else
     {
         int     id   = int.Parse(Session["user_id"].ToString());
         UsersVM user = userbll.getUserByID2(id);
         return(View(user));
     }
 }