B4J Question Tableview

I have a data returned like

groupname Itemname

group 1 item1
group 1 item2
group 1 item3
group 2 item 1
group 2 item 2
group 3 item 1
group 3 item 2

i want to display the above in a tableview without repeating the duplicate values of groupname field like below
is there any property in tableview column to achieve this or it has to be done by coding

groupname Itemname

group 1 item1
item2
item3
group 2 item 1
item 2
group 3 item 1
item 2