Essential LINQ by Charlie Calvert, Dinesh Kulkarni

By Charlie Calvert, Dinesh Kulkarni

LINQ is one in every of Microsoft's most fun, strong new improvement applied sciences. crucial LINQ is the 1st LINQ e-book written via best participants of Microsoft's LINQ and C# groups. Writing for architects, builders, and improvement managers, those Microsoft insiders percentage their intimate knowing of LINQ, revealing new styles and top practices for purchasing the main out of it.

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7 shows an example of using the . 7 and apply the principles shown in the sample examples we have been studying. You , , , and should be able to see how types were combined to create an XML document. The simple examples in this subsection aim to initiate you into the world of LINQ to XML. Designed to pique your curiosity, they have almost certainly raised as many questions as they have answered. More in-depth coverage of this subject will be included in Chapter 13. info Summar y Summary This chapter contained several fairly short programs designed to introduce you to the most common forms of LINQ programs: LINQ to Objects, LINQ to SQL, and LINQ to XML.

0, but now you can also use this simple shorthand to produce semantically equivalent code. The code produced when you use automatic properties includes an inaccessible private backing store. NET Reflector. info 21 22 Chapter 2: Getting Started Three backing fields are declared with oddly shaped identifiers such as . They would never compile in C#, although they are valid Intermediate Language (IL) identifiers. Code similar to what is shown here is generated for you in the background whenever you use automatic properties.

To keep this example as concise as possible, much of the machinery that makes this technology powerful and flexible has been stripped away. All that is left is the minimum code required to query a database with LINQ to SQL. info A Simple LINQ to SQL Example This code assumes the presence of SQL Server Express on your development system. You also need a copy of the Northwind database. It is available as a free download over the web. It also ships with the official C# samples found in the MSDN Code Gallery.

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