unit dbcolform;
interface
uses
 Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
 StdCtrls, Grids, DBGrids, DB, DBTables;
type
 TForm1 = class(TForm)
  Table1: TTable;
  DataSource1: TDataSource;
  DBGrid1: TDBGrid;
  Label1: TLabel;
  procedure DBGrid1ColEnter(Sender: TObject);
  procedure DataSource1DataChange(Sender: TObject; Field: TField);
 private
  { Private declarations }
 public
  { Public declarations }
 end;
var
 Form1: TForm1;
implementation
{$R *.DFM}
type
 TFake = class (TDBGrid);
procedure TForm1.DBGrid1ColEnter(Sender: TObject);
begin
 Label1.Caption := Format (
  'Column: %2d; Row: %2d',
  [TFake (DbGrid1).Col,
  TFake (DbGrid1).Row]);
end;
procedure TForm1.DataSource1DataChange(Sender: TObject; Field: TField);
begin
 DBGrid1ColEnter (sender);
end;
end.