[flexcoders] IUrgent : Can we do a subsort on datagrid column in Flex 1.5

[newtoflexworld]

Hi All,

I have a datagrid with 10 columns. Is it possible to sort on a column
(lets say A) such that simultaneously a secondary sort (or subsort) is
done on a second column (lets say B)


In other words, if I click on the header of column A, the datagrid
should be sorted on column A with a subsort on column B.

Is it possible to do so in Flex 1.5

Thanks

Sweta