How to chain OR clauses, with LINQ?

Question

I\'ve got a scenario where I need to build a SQL query, using LINQ, that includes a variable amount of OR clauses. I\'m writing a function that will build the query based on

Answer 1

You can use the PredicateBuilder to chain or conditions.

var predicate = PredicateBuilder.False();

predicate = predicate.Or (p => p.A == true);
if(something)
   predicate = predicate.Or (p => p.B == true);

var query = entities.AsExpandable().Where (predicate); //AsExpandable() for EF