>Keep the track of previous row and current row in enter_Cell, leave_Cell event.
>put the color change logic in click event.
>
>the idea is if u r on 4th row and click on 9th row,
>4th is prev row which shud get back to normal color
>and 9th is the cur row that shud be highlighted.

Thanks Nilesh - I will incorparate this - it should make the gridhighlight code run faster...