regarding datagrid in vb.net.

Question

Dear Freinds

I want to help regarding datagrid in vb.net. i want that when i select any value from combobox of datagrid( value in combobox come from databse) the textbox of same datgrid show the value of slected combo box no from same databse ib vb.net

simply

i select a item no form database in combo box of datagrid now i want textbox of datagrid show the item name related to the particular of a particular item no