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unit Form_Main; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, DB, Grids, DBGrids, DBClient; type TForm1 = class(TForm) DBGrid1: TDBGrid; DataSource1: TDataSource; ClientDataSet1: TClientDataSet; procedure FormCreate(Sender: TObject); private public { Public declarations } end; var Form1: TForm1; implementation {$R *.dfm} procedure TForm1.FormCreate(Sender: TObject); var i: Integer; begin with ClientDataSet1 do begin FieldDefs.Add(‘ID‘, ftInteger, 0, False); FieldDefs.Add(‘Name‘, ftString, 10, False); FieldDefs.Add(‘Gender‘, ftInteger, 0, False); FieldDefs.Add(‘Age‘, ftInteger, 0, False); IndexDefs.Add(‘PK‘, ‘ID‘, [ixPrimary, ixUnique]); CreateDataSet; DisableControls; for i := 1 to 1000 do begin Append; FieldByName(‘ID‘).AsInteger := i; FieldByName(‘Name‘).AsString := ‘User‘ + IntToStr(i); FieldByName(‘Gender‘).AsInteger := Random(2); FieldByName(‘Age‘).AsInteger := Random(100); Post; end; EnableControls; end; end; end.
procedure TFormMain.FormCreate(Sender: TObject);
begin
self.ClientDataSet1.FieldDefs.Add(‘Name‘,ftString,50);
self.ClientDataSet1.FieldDefs.Add(‘Age‘,ftString,50);
self.ClientDataSet1.CreateDataSet;
self.ClientDataSet1.AppendRecord([‘100‘,‘100‘]);
self.ClientDataSet1.AppendRecord([‘100‘,‘100‘]);
self.ClientDataSet1.AppendRecord([‘100‘,‘100‘]);
self.ClientDataSet1.AppendRecord([‘100‘,‘100‘]);
self.ClientDataSet1.AppendRecord([‘100‘,‘100‘]);
self.ClientDataSet1.AppendRecord([‘100‘,‘100‘]);
self.DataSource1.DataSet:=self.ClientDataSet1;
end;
procedure TFormMain.BitBtn1Click(Sender: TObject);
begin
self.ClientDataSet1.AppendRecord([‘1001‘,‘100‘]);//添加新纪录
self.ClientDataSet2.Data:=self.ClientDataSet1.Delta;
self.DataSource1.DataSet:=self.ClientDataSet2;
end;
内存表 ClientDataSet CreateDataSet
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原文地址:http://www.cnblogs.com/chenmfly/p/4541379.html