unit442.~pas

来自「Delphi6分布式开发例程12 )」· ~PAS 代码 · 共 74 行

unit Unit442;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  Grids, DBGrids, StdCtrls, ExtCtrls, DBCtrls;

type
  TForm1 = class(TForm)
    DBGrid1: TDBGrid;
    DBNavigator1: TDBNavigator;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    Button5: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Button5Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

uses Unit441;

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
begin
  DBGrid1.SetFocus;
  DM.ClientDataSet1.Append;
  DBGrid1.EditorMode := True;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  DM.ClientDataSet1.Delete;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
  DM.ApplyUpdates;
end;

procedure TForm1.Button4Click(Sender: TObject);
begin
  DM.ClientDataSet1.Edit;
  DBGrid1.SetFocus;
  DBGrid1.EditorMode := True;
end;

procedure TForm1.Button5Click(Sender: TObject);
begin
  DM.ClientDataSet1.CancelUpdates;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  DM.ClientDataSet1.Open;    
end;

end.