Help.. How to compute a nested DataList?

Dear all,
Here is an example of how my database looks like:
Name   Group
A          Grp 8
B          Grp 1
A          Grp 7
How can i write a code to display it into something like below?
Name   Group  Group
A          Grp 8   Grp 7
B          Grp 1
 
Any1 can help me please? Thanks.
Regards,
giggsmu
...