Programming Microsoft® Visual C#® 2008: The Language

Chapter 11. LINQ Programming

Chapter 6, was a general introduction to Language Integrated Query (LINQ) and a review of LINQ to Objects. LINQ to Objects is the implicit LINQ provider, but other providers are available. Namely, LINQ to XML and LINQ to SQL are the more commonly used of these other providers. Because of the ubiquitous nature of Extensible Markup Language (XML) and SQL in .NET development, these two providers have particular importance. Both of them implement the IQueryable interface, which extends the IEnumerable<T> interface, to refine and implement the standard LINQ interface in the context of the provider. For example, LINQ to XML does more than query XML. You also can use LINQ to XML to browse an XML data store. LINQ to SQL also ...