摘要:
procedure TForm1.StringGrid1SelectCell(Sender: TObject; ACol, ARow: Integer; var CanSelect: Boolean); var R: TRect; org: TPoint; begin if ARow>0 then 阅读全文
摘要:
https://docwiki.embarcadero.com/RADStudio/Sydney/en/Querying_Metadata_(FireDAC) 不必这样麻烦 也可以代码里直接 运行SQL语句 if FDconnection1.Connected then FDConnection1. 阅读全文