delphi程序,運行錯誤提示爲ClientDataSet1: Cannot perform this operation on an open datas

程序代碼以下:web unit Unit1;數組 interfacesvg uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, Grids, DBGrids, DB, DBClient, DBGridEh;this type TForm1 = class
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