unit5.pas

学生成绩管理系统

unit Unit5;

interface

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

type
  TForm5 = class(TForm)
    DataSource1: TDataSource;
    ADOTable1: TADOTable;
    DBGrid1: TDBGrid;
    Label1: TLabel;
    DBEdit1: TDBEdit;
    DBEdit2: TDBEdit;
    DBEdit3: TDBEdit;
    DBEdit4: TDBEdit;
    DBEdit5: TDBEdit;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    Button5: TButton;
    Button6: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Button5Click(Sender: TObject);
    procedure Button6Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form5: TForm5;

implementation

uses Unit4, Unit2;

{$R *.dfm}

procedure TForm5.Button1Click(Sender: TObject);
begin
if not adotable1.bof
then
adotable1.Prior ;
end;

procedure TForm5.Button2Click(Sender: TObject);
begin
if not adotable1.Eof then
adotable1.Next;
end;

procedure TForm5.Button3Click(Sender: TObject);
begin
if messagedlg('是否增加?',mtconfirmation,[mbyes,mbno],0)=mryes
then
adotable1.Insert
else
adotable1.Cancel;
end;

procedure TForm5.Button4Click(Sender: TObject);
begin
if messagedlg('是否删除?',mtconfirmation,[mbyes,mbno],0)=mryes
then
adotable1.Delete
else
adotable1.Cancel;
end;

procedure TForm5.Button5Click(Sender: TObject);
begin
if messagedlg('是否修改?',mtconfirmation,[mbyes,mbno],0)=mryes
then
adotable1.Next
else
adotable1.Cancel;
end;

procedure TForm5.Button6Click(Sender: TObject);
begin
form5.Hide;
form2.show;
end;

procedure TForm5.FormClose(Sender: TObject; var Action: TCloseAction);
begin
 application.Terminate;
end;

end.