public override List <Account> getElements()
        {
            TrainingCenterEntities oEntities = ConnectionEntities.getTrainingCenter(mAcount);
            List <Account>         lstAcc    = new List <Account>();
            var Data = oEntities.SP_GETALL_USER().ToList();

            foreach (var o in Data)
            {
                Account oUser = new Account
                {
                    UserId      = o.UserId,
                    UserName    = o.UserName,
                    Password    = o.Password,
                    Email       = o.Email,
                    DisplayName = o.DisplayName,
                    IsSuperUser = o.IsSuperUser,
                    Sex         = o.Sex,
                    Phone       = o.Phone,
                    isAdmin     = o.isAdmin
                };
                if (oUser.Sex == 0)
                {
                    oUser.DisplaySex = "Nam";
                }
                else
                if (oUser.Sex == 1)
                {
                    oUser.DisplaySex = "Nữ";
                }
                lstAcc.Add(oUser);
            }

            return(lstAcc);
        }