unit1.pas

Delphi_7.0数据库开发源代码。有内容十一章节

unit Unit1;

interface

uses
  SysUtils, Types, Classes, QGraphics, QControls, QForms, QDialogs,
  QStdCtrls, DBXpress, FMTBcd, QExtCtrls, QDBCtrls, QGrids, QDBGrids,
  Provider, DBClient, DB, SqlExpr;

type
  TForm1 = class(TForm)
    SQLConnection1: TSQLConnection;
    SQLQuery1: TSQLQuery;
    DataSource1: TDataSource;
    ClientDataSet1: TClientDataSet;
    DataSetProvider1: TDataSetProvider;
    DBGrid1: TDBGrid;
    DBNavigator1: TDBNavigator;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.xfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
  ClientDataSet1.ApplyUpdates(-1);  //更新数据
end;

end.