private void Save()
        {
            var mgr = new TrainingProductManager();

            if (Mode == "Add")
            {
                mgr.Insert(Entity);
            }
            else if (Mode == "Update")
            {
            }

            ValidationErrors = mgr.ValidationErrors;
            IsValid          = !(ValidationErrors.Count > 0);

            if (!IsValid)
            {
                if (Mode == "Add")
                {
                    AddMode();
                }
            }
        }
        public void Get()
        {
            var tpm = new TrainingProductManager();

            Products = tpm.Get(SearchEntity);
        }