Help with dynamic UIGrid with button

[immortant]

http://image.ohozaa.com/view2/xuQRXckzuspqEG15
I'm want to make list of friend and click send gift. (same cookie run)
i used facebook-id to check each friend and gift button.
Problem is [ i can't make ui-grid like this. i can make only fix label-text ]

i'm newbie with program and Ngui. Please guide me on How to program list with facebook-id ?
Thank you in advance