DBGrid的问题。

Question

TDBGrid(Sender).DataSource.DataSet.RecNo

Answer 1

type
  TForm1 = class(TForm)
    DBGrid1: TDBGrid;
    DataSource1: TDataSource;
    Table1: TTable;
    procedure DBGrid1DrawColumnCell(Sender: TObject; const Rect: TRect;
      DataCol: Integer; Column: TColumn; State: TGridDrawState);
    procedure DataSource1DataChange(Sender: TObject; Field: TField);
  private
    { Private declarations }
    FBook: string;
  public
    { Public declarations }
  end;var
  Form1: TForm1;implementation{$R *.DFM}procedure TForm1.DBGrid1DrawColumnCell(Sender: TObject; const Rect: TRect;
  DataCol: Integer; Column: TColumn; State: TGridDrawState);
begin
  if TDBGrid(Sender).DataSource.DataSet.Book = FBook then
    with TDBGrid(Sender).Canvas do begin
      Font.Color := clRed;
      FillRect(Rect);
      TextOut(Rect.Left, Rect.Top, Column.Field.DisplayText);
    end;
end;procedure TForm1.DataSource1DataChange(Sender: TObject; Field: TField);
begin
  FBook := TDataSource(Sender).DataSet.Book;
end;