I have two comboboxes that are bound to datatables in a dataset. The datatables have a relationship so when the user selects and item from the first combobox the items in the second combobox are automatically filtered.
What is the best way to add a "Select One" item to each combobox I know I can't modify the Items collection if the combobox has a datasource set.

DataBind Combobox with "Select One" as first item
Jman Killer