You will find a lot of LINQ (Language Integrated Query) stuff on this section of MSDN. Major topics include LINQ: .NET Language Integrated Query,
LINQ to SQL: .NET Language-Integrated Query for Relational Data, .NET Language-Integrated Query for XML Data, The .NET Standard Query Operators and Overview of C#.
If you really want to learn LINQ or you need to enhance your knowledge about LINQ this one is truly a very valuable place for you. Recommended for every
LINQ and .NET learner and developer.