x1010c.pas

Delphi6分布式开发例程12 )

unit x1010c;

interface

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

type
  TForm1 = class(TForm)
    Edit1: TEdit;
    Edit2: TEdit;
    DCOMConnection1: TDCOMConnection;
    DBGrid1: TDBGrid;
    DataSource1: TDataSource;
    ClientDataSet1: TClientDataSet;
    Label1: TLabel;
    Label2: TLabel;
    Panel1: TPanel;
    Panel2: TPanel;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    OpenDialog1: TOpenDialog;
    SaveDialog1: TSaveDialog;
    procedure Button1Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
   private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}



procedure TForm1.Button1Click(Sender: TObject);
begin
        with ClientDataSet1 do
        begin
           close;
           Params[0].AsInteger:=strtoint(edit1.Text);
           Params[1].AsInteger:=strtoint(edit2.Text);
           Open;
        end;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
    if Savedialog1.Execute then
    ClientDataSet1.SaveToFile(Savedialog1.FileName);
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
   if Opendialog1.Execute then
      ClientDataSet1.LoadFromFile(Opendialog1.FileName);
end;

procedure TForm1.Button4Click(Sender: TObject);
begin
      ClientDataSet1.ApplyUpdates(-1)
end;

end.