📄 cleardateunit.pas
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unit ClearDateUnit;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, DB, ADODB;
type
TClearDatefrm = class(TForm)
Button1: TButton;
ADOQuery1: TADOQuery;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
ClearDatefrm: TClearDatefrm;
implementation
{$R *.dfm}
procedure TClearDatefrm.Button1Click(Sender: TObject);
begin
ADOQuery1.Close;
ADOQuery1.SQL.Clear;
ADOQuery1.SQL.Text:='Delete From HP';
ADOQuery1.ExecSQL;
Application.MessageBox('数据清空成功!','提醒!',MB_OK+MB_ICONINFORMATION);
end;
end.
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