_Watcher = new DevExpressGridViewWatcher<dt_Unit>(gvSummary, w => w.isid);

            //控制表格单元格是否可编辑
            new DevGridEditable<dt_Unit>(_Watcher,
                nameof(dt_Unit.isid),
                nameof(dt_Unit.UnitId)).HandleColumnEditable(gvSummary);

            //隐藏分页标签
            tcBusiness.SelectedTabPage = tpSummary;
            tcBusiness.ShowTabHeader = DefaultBoolean.False;

        public override void InitButtons()
        {
            base.InitButtons();
            _buttons.RemoveButton(ButtonNameList.btnView); //隐藏 btnView 查看 按钮
        }

 protected override bool ValidatingData()
        {
            var list = gvSummary.GetDataSource<dt_Unit>();
            var isDuplicated = list.GroupBy(g => g.UnitId).IsDuplicated();
            if (isDuplicated)
            {
                Msg.Warning("单位编码重复！");
                return false;
            }
            return true;
        }