populating data into a treeview

Question

hi,

i have the following data in a DataTable

level1 item1.level2 item1.level3 item1

level1 item1.level2 item1.level3 item2

level1 item1.level2 item2

level1 item1.level2 item2.level3 item6

level1 item1.level2 item2.level3 item7

level1 item2

level1 item2.level2 item3

level1 item2.level2 item3.level3 item8

level1 item2.level2 item3.level3 item9

i need to populate / parse this data and show it in a TreeView.

can anyone assist?

Thanks Tb