unit6.pas

网上书店管理系统

unit Unit6;

interface

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

type
  TForm6 = class(TForm)
    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;
    N5: TMenuItem;
    N6: TMenuItem;
    DBMemo1: TDBMemo;
    Label2: TLabel;
    Label7: TLabel;
    Table1: TTable;
    DataSource1: TDataSource;
    DBEdit1: TDBEdit;
    Button8: TButton;
    procedure N1Click(Sender: TObject);
    procedure N2Click(Sender: TObject);
    procedure N3Click(Sender: TObject);
    procedure N4Click(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 N6Click(Sender: TObject);
    procedure N5Click(Sender: TObject);
    procedure Button8Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form6: TForm6;

implementation

uses Unit1, Unit3, Unit2, Unit4, Unit5;

{$R *.dfm}

procedure TForm6.N1Click(Sender: TObject);
begin
form1.Show ;
end;

procedure TForm6.N2Click(Sender: TObject);
begin
form2.show;
end;

procedure TForm6.N3Click(Sender: TObject);
begin
form3.show;
end;

procedure TForm6.N4Click(Sender: TObject);
begin
form4.Show ;
end;


procedure TForm6.Button2Click(Sender: TObject);
begin
table1.First ;
end;

procedure TForm6.Button1Click(Sender: TObject);
begin
table1.Prior ;
end;

procedure TForm6.Button5Click(Sender: TObject);
begin
table1.Next ;
end;

procedure TForm6.Button3Click(Sender: TObject);
begin
table1.Last ;
end;

procedure TForm6.Button6Click(Sender: TObject);
begin
table1.Edit ;
end;

procedure TForm6.Button7Click(Sender: TObject);
begin
table1.Refresh ;
end;

procedure TForm6.Button4Click(Sender: TObject);
begin
if table1.recordcount =0  then
 showmessage('        没有信息可删除  !      ')
  else  table1.Delete ;
end;

procedure TForm6.N6Click(Sender: TObject);
begin
form6.Show ;
end;

procedure TForm6.N5Click(Sender: TObject);
begin
form5.show;
end;

procedure TForm6.Button8Click(Sender: TObject);
var
m : integer;
begin
table1.Refresh ;
table1.Last ;
m:=strtoint(table1.Fields[0].AsString);
table1.Insert;
table1.Fields[0].AsString:=inttostr( m+1 ) ;
end;

procedure TForm6.FormCreate(Sender: TObject);
begin
table1.Open ;
end;

end.