I don't have sample code, but if you look in your vfp help under dynamicbackcolor and dynamicforecolor you should see a example

>I have a table with clientes that contains
> a field "date".
>
>
>
> Name: date:
>
> Carl 04/30/2001
> Martin 04/30/2001
> Marck 05/01/2001
> John 05/03/2001
> Martha 05/04/2002
>
>
> On the table above,how can I do so that clients with date before 05/01/2001
> appears in red in the grid ?