CSFrameworkV6旗舰版 - 复制单据功能

public void DoClone(IButtonInfo sender)
{
    this.AssertFocusedRow();
    var row = gvSummary.GetRow<res_tb_PO>();

    if (Msg.AskQuestion($"确定要复制单据【{row.PONO}】吗？"))
    {
        //重新获取当前单据
        this.DoViewContent(this.Buttons.GetButtonByName(ButtonNameList.btnView));

        if (this.IsViewMode)
        {
            //重置主表的数据                    
            _BLL.DataBinder.isid = IdHelper.GetId();
            _BLL.DataBinder.PONO = Globals.DEF_NO_TEXT; //新单号
            _BLL.DataBinder.DocDate = DateTime.Today;
            _BLL.DataBinder.CreatedBy = Core.Loginer.CurrentUser.Account;
            _BLL.DataBinder.CreationDate = DateTime.Now;
            _BLL.DataBinder.FlagApp = "N";
            _BLL.DataBinder.AppDate = null;
            _BLL.DataBinder.AppUser = null;
            _BLL.DataBinder.FlagPayment = "N";
            _BLL.DataBinder.FlagPeriod = "N";
            _BLL.DataBinder.FlagStop = "N";
            _BLL.DataBinder.FlagFinish = "N";

            //重置明细表的数据
            foreach (var R in _BLL.CurrentBusiness.Details)
            {
                R.isid = IdHelper.GetId();
                R.PONO = _BLL.DataBinder.PONO; //外键单号
                R.CreatedBy = Core.Loginer.CurrentUser.Account;
                R.CreationDate = DateTime.Now;
                R.FlagPayment = "N";
                R.FlagStop = "N";
            }

            //以下处理界面组件状态
            _UpdateType = UpdateType.Add; //重要！
            this.SetEditMode();//重要！
            this.ButtonStateChanged(UpdateType.Add);//重要！
            this.DoBindingSummaryEditor(_BLL.DataBinder);
            this.ShowDetailPage(true);

            gcDetail.DataSource = _BLL.CurrentBusiness.Details;
            gcDetail.RefreshDataSource();
        }
    }
}