how to move listBox index with datagridview

Hi All,

Here i want to ask about how to move indexingly listbox item with datagridview row , so when i select index No. 2 at listBox the third row on datagridview should be selected , I know that if i use the same datasource binded to datagridview and ListBox does that but need to move them to gether using manual list for ListBox and binded datagridview.

Thanks