读取数据

代码测试

procedure TForm1.Button2Click(Sender: TObject);
var
  Field: TField;
  i: Integer;
begin
  Memo1.Clear;
  for Field in ClientDataSet1.Fields do
  begin

     Memo1.Lines.Add(Field.Value);
  end;
  Memo1.Lines.Add('');

  for i := 0 to ClientDataSet1.FieldCount - 1 do
  begin
    Memo1.Lines.Add(ClientDataSet1.Fields[i].Value);
  end;
  Memo1.Lines.Add('');

  for i := 0 to ClientDataSet1.FieldList.Count - 1 do
  begin
    Memo1.Lines.Add(ClientDataSet1.FieldList[i].Value);
  end;
  Memo1.Lines.Add('');
end;procedure TForm1.Button2Click(Sender: TObject);
var
  Field: TField;
  i: Integer;
begin
  Memo1.Clear;
  for Field in ClientDataSet1.Fields do
  begin
    Memo1.Lines.Add(Field.Value);
  end;
  Memo1.Lines.Add('');

  for i := 0 to ClientDataSet1.FieldCount - 1 do
  begin
    Memo1.Lines.Add(ClientDataSet1.Fields[i].Value);
  end;
  Memo1.Lines.Add('');

  for i := 0 to ClientDataSet1.FieldList.Count - 1 do
  begin
    Memo1.Lines.Add(ClientDataSet1.FieldList[i].Value);
  end;
  Memo1.Lines.Add('');
end;