Implementing cascading DropDownList binding in a templated control

Question

I have 2 DropDownList controls on my form, the second of which uses the SelectedValue of the first as one of its binding parameters.

Both <

Answer 1

Actually I'm posting this answer in case anybody else got stuck like I did. What Muhammad Akhtar said works perfectly, however I found a simpler solution.
In

change Bind("AttorneyID") to DataBinder.Eval (Container.DataItem, "AttorneyID")
It works perfectly!
EDIT: My sample code: