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By Charlie Calvert, Dinesh Kulkarni
LINQ is one in every of Microsoft's most enjoyable, strong new improvement applied sciences. crucial LINQ is the 1st LINQ ebook written through major individuals of Microsoft's LINQ and C# groups. Writing for architects, builders, and improvement managers, those Microsoft insiders proportion their intimate figuring out of LINQ, revealing new styles and most sensible practices for buying the main out of it.
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Extra resources for Essential LINQ
Example text
If you become an expert at writing query expressions, you will be an expert at LINQ. • Chapter 6, “Query Operators”: The LINQ query operators give LINQ its power and flexibility. These operators are a set of tools built into the LINQ language that allow you to accomplish a wide range of tasks. • Chapter 7, “A Quick Tour of LINQ to SQL”: You might be reading this book primarily to learn about LINQ to SQL. The first six chapters of this book give you the background you need to understand how LINQ works.
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. All the programs were simple, and many important details were covered only in passing. This is an important chapter nevertheless, because it gave you an opportunity to work with real LINQ code. Technologies often become real to you only when you actually start to use them.
This chapter helps you understand LINQ by showing several simple programs that illustrate ANY DEVELOPERS PREFER • LINQ to Objects • LINQ to SQL • LINQ to XML These examples demonstrate three themes that recur frequently in this book: • The usefulness of query expressions • The significance of deferred execution • The primacy of The examples shown in this chapter also illustrate how to write query expressions, the key syntactic construct used by LINQ developers to query a data source. info 14 Chapter 2: Getting Started encounter deferred execution, a characteristic of LINQ that developers must comprehend if they want to claim a thorough knowledge of the subject.