main.pas

这是一个DELPHI7应用案例开发篇有配套程序种子光盘

unit Main;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, DBXpress, DB, SqlExpr, StdCtrls, FMTBcd, Provider, DBClient,
  Grids, DBGrids, ExtCtrls, DBCtrls;

type
  TForm1 = class(TForm)
    SQLConnection1: TSQLConnection;
    DataSource1: TDataSource;
    ClientDataSet1: TClientDataSet;
    DataSetProvider1: TDataSetProvider;
    SQLQuery1: TSQLQuery;
    DBNavigator1: TDBNavigator;
    DBGrid1: TDBGrid;
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure ClientDataSet1AfterPost(DataSet: TDataSet);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
    ClientDataSet1.Active := True;
end;

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

procedure TForm1.ClientDataSet1AfterPost(DataSet: TDataSet);
begin
    ClientDataSet1.ApplyUpdates(-1);
end;

end.