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 ...

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 ...

So I'm playing around with Visual Studio 2010 while we think about moving our projects to it, and I was trying to make a new Silverlight 4 app, but when I go to add any kind of of data models (ADO, ...