Why are entity framework entities partial classes?

Question

I recently began using entity framework, and I noticed that generated entities are partial classes. What are the uses of that? I googled a bit and people mostly speak of validat

Answer 1

Marking it as partial allows you to put attributes to that class.
It is handy for example when you need to mark DB generated class as Serializable to be able to store it in Session object (when SQL server mode is used in balanced environments).