XSD Schema Generated Class that implements a Search

[Matt]

I have a class that was generated from a XSD schema. The class has a
collection of items or children. In this child collection I have a field
named "ID". I would like to implement a search like ArrayList.BinarSearch
in this class so I can search for a specific "ID". I am also planning on
searching on other fields but I wanted to state this as simplistically as
possible. I tried to implement the arraylist search but have been
unsuccessful. Can anyone point me to a sample of KB article for doing this?

Thanks,

Matt