Data Grid View Combo Box Selecting Item so i get the index to search in another Data Grid Combo?

Hi guys I am new to 2008 and was wondering how do i select from a data grid view combo. The first combo contains my item codes. I want to select an item code and it automatically sets the Description in the other combo or vice versa. I have read
some of the articles but getting stuck and failing to grasp the concept. I know there us a simple way of doing this. Please Help

Hi, Here is an FAQ about this:27. How