unit4.pas

基于ORACLE的数据库操作系统！！能实现对数据的查询

unit Unit4;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm4 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form4: TForm4;

implementation

uses Unit5, Unit6;

{$R *.dfm}

procedure TForm4.Button3Click(Sender: TObject);
begin
form5.show;
end;

procedure TForm4.Button4Click(Sender: TObject);
begin
if messagedlg('洪福鑫提醒您：确认关闭？',mtconfirmation,[mbYes,mbNo],0)=mryes
then close;
end;

procedure TForm4.Button2Click(Sender: TObject);
begin
form6.show;
end;

end.