unit1.pas

学生成绩管理系统

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Edit1: TEdit;
    Label2: TLabel;
    Edit2: TEdit;
    Button1: TButton;
    Button2: TButton;
    DataSource1: TDataSource;
    ADOTable1: TADOTable;
    MainMenu1: TMainMenu;
    N1: TMenuItem;
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure N1Click(Sender: TObject);
  

  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation
uses unit2;

{$R *.dfm}

procedure TForm1.Button2Click(Sender: TObject);
begin
close;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
if adotable1.locate('学号',edit1.text,[])then
if edit2.Text='12345' then
begin
form1.Hide;
form2.Show;
end
else
showmessage('密码不正确')
else
messagedlg('学号不存在',mtconfirmation,[mbyes],0)

end;



procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
 application.Terminate;
end;

procedure TForm1.N1Click(Sender: TObject);
begin
  showmessage('学号：151021182，密码：12345') ;
end;

end.