Complex queries can be solved with a combination of simpler LINQ queries, anonymous objects and the Group/By/Into clauses. Using Group/By/Into will also give you the best possible performance for ...

When you want to find all the objects that are missing a corresponding object, then you need the LINQ equivalent of an outer join. Here, step by painful step, is how to build that query. Here's a ...

So I've got this large dataset...call it t_Data, it's pretty easy to cut it up with a where condition in LINQ, but I want to be able to interrogate another dataset....call it q_Category (which ...