ADO.NET :: Get All Items Common?

Oct 21, 2010

List<user> Collection1 =new List<user>
List<user> Collection2 =new List<user>

I have to get all items common to both the collection using linq .Even though the object user has a lot of properties I just want to compare FirstName and LastName how can i get the items not in Collection1 but not in Collection2 using the same comparison rule

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