更新试验.txt

borland xml及其应用

unit Unit12_61;

interface

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

type
  TForm1 = class(TForm)
    DCOMConnection1: TDCOMConnection;
    ClientDataSet1: TClientDataSet;
    DataSource1: TDataSource;
    Button1: TButton;
    CheckBox1: TCheckBox;
    ActionList1: TActionList;
    Action1: TAction;
    Action2: TAction;
    DBGrid1: TDBGrid;
    ClientDataSet2: TClientDataSet;
    DCOMConnection2: TDCOMConnection;
    DataSource2: TDataSource;
    DBGrid2: TDBGrid;
    Button2: TButton;
    Button3: TButton;
    DBNavigator1: TDBNavigator;
    procedure Action1Update(Sender: TObject);
    procedure Action2Execute(Sender: TObject);
    procedure Action2Update(Sender: TObject);
    procedure ClientDataSet1ReconcileError(DataSet: TClientDataSet;
      E: EReconcileError; UpdateKind: TUpdateKind;
      var Action: TReconcileAction);
    procedure Action1Execute(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

uses Unit12_62;

{$R *.DFM}

procedure TForm1.Action1Update(Sender: TObject);
begin
  Action1.Checked := DCOMConnection1.Connected;
end;

procedure TForm1.Action1Execute(Sender: TObject);
begin
  DCOMConnection1.Connected := not Action1.Checked;
  if CheckBox1.Checked then begin
    ClientDataSet1.Close;
    ClientDataSet1.Open;
  end;
end;

procedure TForm1.Action2Update(Sender: TObject);
begin
  Action2.Enabled := ClientDataSet1.ChangeCount > 0;
end;

procedure TForm1.Action2Execute(Sender: TObject);
begin
  ClientDataSet1.ApplyUpdates(-1);
end;

procedure TForm1.ClientDataSet1ReconcileError(DataSet: TClientDataSet;
  E: EReconcileError; UpdateKind: TUpdateKind;
  var Action: TReconcileAction);
begin
  Action := HandleReconcileError(DataSet, UpdateKind, E);
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  DCOMConnection2.Connected:=True;
  ClientDataSet2.Open;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
  ClientDataSet2.Refresh;
end;

end.