摘要： unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, DB, DBTables;type TForm1 = class(TForm) Button1: TButton; Button2: TButton; Query1: TQuery; Database1: TDatabase; Memo1: TMemo; Label1: TLabel; procedure Button2Click(Sender: TObjec 阅读全文