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Entity Framework Tutorial (Update)

You're reading from   Entity Framework Tutorial (Update) A comprehensive guide to the Entity Framework with insight into its latest features and optimizations for responsive data access in your projects

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Product type Paperback
Published in Aug 2015
Publisher
ISBN-13 9781783550012
Length 274 pages
Edition 2nd Edition
Languages
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Author (1):
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Joydip Kanjilal Joydip Kanjilal
Author Profile Icon Joydip Kanjilal
Joydip Kanjilal
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Table of Contents (11) Chapters Close

Preface 1. Introducing the ADO.NET Entity Framework FREE CHAPTER 2. Getting Started 3. Entities, Relationships, and the Entity Data Model 4. Working with Stored Procedures in the Entity Data Model 5. Working with Entity Client and Entity SQL 6. Working with LINQ to Entities 7. Working with the Object Services Layer 8. Working with WCF Data Services A. Advanced Concepts Index

Introducing LINQ

LINQ is a query execution pipeline used in the managed environment of .NET Framework. In essence, LINQ is Microsoft's object relational mapper between your business objects and the underlying data sources, and provides a simplified framework for accessing relational data in an object-oriented fashion.

LINQ can be used to map your business objects and the underlying data sources. These data sources can be databases, objects, collections of objects, or even XML document files. Note that both C# (from version 3.0 on) and VB.NET (from version 9 on) have support for LINQ.

LINQ is a part of the new versions of the C# and VB.NET compilers, and it comes with a powerful set of operators to ease the task of querying different data sources, such as SQL Server, XML, and so on. LINQ comprises a standard set of operators to facilitate query operations. We will learn more about LINQ query operators later in this chapter.

Why LINQ?

We often require querying data and display them in the...

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