unit1.pas

来自「Delphi数据库编程」· PAS 代码 · 共 83 行

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Table1: TTable;
    DataSource1: TDataSource;
    Label1: TLabel;
    DBEdit1: TDBEdit;
    Label2: TLabel;
    DBEdit2: TDBEdit;
    Label3: TLabel;
    DBEdit3: TDBEdit;
    Label4: TLabel;
    DBEdit4: TDBEdit;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    GroupBox1: TGroupBox;
    Button5: TButton;
    Edit1: TEdit;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Button5Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
  var
     curdir:string;
begin
     getdir(0,curdir);
     table1.Active :=False;
     table1.DatabaseName :=curdir;
     table1.Open ;
 end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  Table1.First ;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
 table1.Prior ;  //前移
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
 table1.Next ;
end;

procedure TForm1.Button4Click(Sender: TObject);
begin
 table1.Last ;
end;

procedure TForm1.Button5Click(Sender: TObject);
begin
  table1.MoveBy(strtoint(edit1.Text ));
end;

end.