When you want to build dynamic filter for a query on LINQ to SQL or LINQ to Entities (Entity Framework, NHibernate, ..), you can use a famous Albahari's PredicateBuilder. But sometime, it may be doesn't work perfect with LINQ to Entities. To solve this problem, Pete Montgomery introduced a universal PredicateBuilder that combined the original version of Albahari's PredicateBuilder and LINQ to Entities: Combining Predicates.
