Нашлось:
void __fastcall TForm1Main::DBGrid1DrawColumnCell(TObject *Sender, const TRect &Rect,
int DataCol, TColumn *Column, TGridDrawState State)
{
if ((FDQuerySelect->FieldByName(L"aut")->AsBoolean == false) &&
(Column->FieldName == L"aut") )
{
DBGrid1->Canvas->Brush->Color=clRed;
DBGrid1->Canvas->FillRect(Rect);
}
else
{
if ((FDQuerySelect->FieldByName(L"aut")->AsBoolean == true) &&
(Column->FieldName == L"aut") )
{
DBGrid1->Canvas->Brush->Color=clGreen;
DBGrid1->Canvas->FillRect(Rect);
}
}
}
Источник: http://citforum.ru/programming/advice/advice04.shtml