public ActionResult Login(Admin admin)
 {
     using (LuckyNumContext db = new LuckyNumContext())
     {
         Admin admin2 = db.Admins.SingleOrDefault(x => x.username == admin.username && x.password == admin.password);
         if (admin2 != null)
         {
             string Role = "Admin";
             Session["Role"]     = Role;
             Session["userName"] = admin2.nickname;
             Session["email"]    = admin2.email;
             Session["IDs"]      = admin2.AdminID;
             //Session["phone"] = admin2.phone;
             return(Redirect("~/Admin/adminProfile"));
         }
         return(Redirect("~/Admin/signError"));
     }
 }