unit4.pas

网上书店管理系统

unit Unit4;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Grids, DBGrids, Menus, ExtCtrls, DB, DBTables;

type
  TForm4 = class(TForm)
    DBGrid1: TDBGrid;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    Button5: TButton;
    Button6: TButton;
    Button7: TButton;
    MainMenu1: TMainMenu;
    N1: TMenuItem;
    N2: TMenuItem;
    N3: TMenuItem;
    N4: TMenuItem;
    Bevel1: TBevel;
    DataSource1: TDataSource;
    Table1: TTable;
    N5: TMenuItem;
    N6: TMenuItem;
    procedure N1Click(Sender: TObject);
    procedure N2Click(Sender: TObject);
    procedure N3Click(Sender: TObject);
    procedure N4Click(Sender: TObject);
    procedure N5Click(Sender: TObject);
    procedure N6Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button5Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button6Click(Sender: TObject);
    procedure Button7Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form4: TForm4;

implementation

uses Unit1, Unit3, Unit2, Unit5, Unit6;

{$R *.dfm}

procedure TForm4.N1Click(Sender: TObject);
begin
form1.Show ;
end;

procedure TForm4.N2Click(Sender: TObject);
begin
form2.show;
end;

procedure TForm4.N3Click(Sender: TObject);
begin
form3.show;
end;

procedure TForm4.N4Click(Sender: TObject);
begin
form4.Show ;
end;

procedure TForm4.N5Click(Sender: TObject);
begin
form5.show ;
end;

procedure TForm4.N6Click(Sender: TObject);
begin
form6.show ;
end;

procedure TForm4.Button2Click(Sender: TObject);
begin
table1.First ;
end;

procedure TForm4.Button1Click(Sender: TObject);
begin
table1.Prior ;
end;

procedure TForm4.Button5Click(Sender: TObject);
begin
table1.Next ;
end;

procedure TForm4.Button3Click(Sender: TObject);
begin
table1.Last ;
end;

procedure TForm4.Button6Click(Sender: TObject);
begin
table1.Edit ;
end;

procedure TForm4.Button7Click(Sender: TObject);
begin
table1.Refresh ;
end;

procedure TForm4.Button4Click(Sender: TObject);
begin
table1.Delete ;
end;

procedure TForm4.FormCreate(Sender: TObject);
begin
table1.Open ;
end;

end.