Issue with spinner item display format

Hi,

I would like to know how can I format the spinner item value

For example,
I want to display 0 as 00, 1 as 01 etc,
0:00
1:01
2:02
3:03
4:04
5:05
6:06
7:07
8:08
9:09

Could some one let me know ASAP.

Thanks
Viswanath