public static string GetTime(int id)
 {
     UserService UserService = new UserService();
     return UserService.GetTime(id);
 }
 static UserManager()
 {
     service = new UserService();
 }
 public static List<UserAnswer> GetselectUserPaperList()
 {
     UserService userService = new UserService();
     List<UserAnswer> list = userService.selectUserPaperList();
     return list;
 }
        public static IList<Users> seluserName(string userName)
        {
            UserService userService = new UserService();
            IList<Users> list = userService.SelectUserName(userName);

            return list;
        }
        public static IList<Scores> selectAllScore(string PaperID)
        {
            UserService UserService = new UserService();
            IList<Scores> list = UserService.SelectAll(PaperID);

            return list;
        }
        public static IList<Scores> selectAlls()
        {
            UserService UserService = new UserService();
            IList<Scores> list = UserService.SelectAll();

            return list;
        }
        public static bool Login(ref Users user)
        {
            UserService service = new UserService();
            user = service.LoginUser(user.UserID, user.UserPwd);

            if (user == null)
            {
                return false;
            }

            return true;
        }
        public static IList<Users> listuser()
        {
            UserService userService = new UserService();
            IList<Users> list = userService.SelectUser();

            return list;
        }