在CXGRID中显示'合计‘

设为：footerkind:=sknone;

procedure TFrmPOOrder.myviewTcxGridDBDataControllerTcxDataSummaryFooterSummaryItems4GetText(
  Sender: TcxDataSummaryItem; const AValue: Variant; AIsFooter: Boolean;
  var AText: String);
begin
  Atext := ''合计'';
end;