fsgupdateclientmain.pas

delphi多层应用系统 delphi多层应用系统

unit fsgUpdateClientMain;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, DBCGrids, ExtCtrls, DBCtrls, Db, DBClient, MConnect, Mask;

type
  TForm2 = class(TForm)
    DCOMConnection1: TDCOMConnection;
    ClientDataSet1: TClientDataSet;
    DBNavigator1: TDBNavigator;
    Button1: TButton;
    Edit1: TEdit;
    ClientDataSet1EMP_NO: TSmallintField;
    ClientDataSet1FIRST_NAME: TStringField;
    ClientDataSet1LAST_NAME: TStringField;
    ClientDataSet1PHONE_EXT: TStringField;
    ClientDataSet1HIRE_DATE: TDateTimeField;
    ClientDataSet1DEPT_NO: TStringField;
    ClientDataSet1JOB_CODE: TStringField;
    ClientDataSet1JOB_GRADE: TSmallintField;
    ClientDataSet1JOB_COUNTRY: TStringField;
    ClientDataSet1SALARY: TFloatField;
    ClientDataSet1FULL_NAME: TStringField;
    DBCtrlGrid1: TDBCtrlGrid;
    Label1: TLabel;
    DBEdit1: TDBEdit;
    DataSource1: TDataSource;
    Label2: TLabel;
    DBEdit2: TDBEdit;
    Label3: TLabel;
    DBEdit3: TDBEdit;
    Label4: TLabel;
    DBEdit4: TDBEdit;
    Label5: TLabel;
    DBEdit5: TDBEdit;
    Label6: TLabel;
    DBEdit6: TDBEdit;
    Label7: TLabel;
    DBEdit7: TDBEdit;
    Label8: TLabel;
    DBEdit8: TDBEdit;
    Label9: TLabel;
    DBEdit9: TDBEdit;
    Label10: TLabel;
    DBEdit10: TDBEdit;
    Label11: TLabel;
    DBEdit11: TDBEdit;
    Button2: TButton;
    ClientDataSet2: TClientDataSet;
    Edit2: TEdit;
    Button3: TButton;
    procedure ClientDataSet1AfterPost(DataSet: TDataSet);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure ClientDataSet2AfterPost(DataSet: TDataSet);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form2: TForm2;

implementation

{$R *.DFM}

procedure TForm2.ClientDataSet1AfterPost(DataSet: TDataSet);
begin
  Edit1.Text := IntToStr(ClientDataSet1.ChangeCount);
end;

procedure TForm2.Button1Click(Sender: TObject);
begin
  ClientDataSet1.ApplyUpdates(0);
  ClientDataSet1.Refresh;
end;

procedure TForm2.Button2Click(Sender: TObject);
begin
  ClientDataSet2.ApplyUpdates(0);
//  ClientDataSet2.Refresh;
end;

procedure TForm2.ClientDataSet2AfterPost(DataSet: TDataSet);
begin
  Edit2.Text := IntToStr(ClientDataSet2.ChangeCount);
end;

procedure TForm2.Button3Click(Sender: TObject);
begin
  if DataSource1.DataSet = ClientDataSet1 then
    DataSource1.DataSet := ClientDataSet2
  else
    DataSource1.DataSet := ClientDataSet1;
end;

end.