Programming Microsoft(r) Linq in Microsoft .Net Framework 4

Dig into LINQ -- and transform the way you work with data.With LINQ, you can query data from a variety of sources -- including databases, objects, and XML files -- directly from Microsoft Visual Basic- or C#. Guided by data-access experts who've worked in depth with LINQ and the Microsoft development teams, you'll learn how .NET Framework 4 implements LINQ, and how to exploit it. Clear examples show you how to deliver your own data-access solutions faster and with leaner code.Discover how Use LINQ to query databases, object collections, arrays, XML, Microsoft Excel- files, and other sourcesApply LINQ best practices to build data-enabled .NET applications and servicesManipulate data in a relational database with ADO.NET Entity Framework or LINQ to SQLRead, write, and manage XML content more efficiently with LINQ to XMLExtend LINQ to support additional data sources by creating custom operators and providersExamine other implementations, such as LINQ to SharePoint-Use LINQ within the data, business, and service layers of a distributed applicationGet code samples on the Web"