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('數(shù)據(jù)清空成功!','提醒!',MB_OK+MB_ICONINFORMATION);
end;

end.