add colspan in data row CGridView

hi all, im newbie here :), got some problems about using CGridView

here’s my table structure :

id (pk)



is it possible to display data like table below using CGridView ?? ( add colspan to <td> if current data is parent)

parent | product

Book (add colspan = 2)

…| Book I

…| Book II

Computer (add colspan = 2)

…| VGA

…| Hardisk

many thanks

there is a property called htmlOptions

I would say it is possible to change the colspan, but in your own extended CDataColumn