Sorry Folks
After a dig I find that this was asked in message 9839 and answered.
I havn't tried the answers yet, but if they work Thanks !

--- In IBObjects@y..., "Dave Bullar" <comesailing@b...> wrote:
> I am stuck again !
>
> Trying to draw my own cell font colours.
> If I use 'ondrawcell' I have to get the 'text' for each row & col
from the
> dataset
> which is a Tib_Query normally connected through a tib_datasource.
>
> Which is the controlling force. The dataset or the grid?
> If I say 'qry.open' its data would normally appear in the grid.
Does the qry
> do a scan and fill the grid or does the grid do a re-draw and pull
the data
> from the query?
>
> Anyway some guidance on how to do it, would be helpful.
> Regards Dave.