Book Image

Entity Framework Tutorial (Update) - Second Edition

By : Joydip Kanjilal
Book Image

Entity Framework Tutorial (Update) - Second Edition

By: Joydip Kanjilal

Overview of this book

The ADO.NET Entity Framework from Microsoft is a new ADO.NET development framework that provides a level of abstraction for data access strategies and solves the impedance mismatch issues that exist between different data models This book explores Microsoft’s Entity Framework and explains how it can used to build enterprise level applications. It will also teach you how you can work with RESTful Services and Google’s Protocol Buffers with Entity Framework and WCF. You will explore how to use Entity Framework with ASP.NET Web API and also how to consume the data exposed by Entity Framework from client applications of varying types, i.e., ASP.NET MVC, WPF and Silverlight. You will familiarize yourself with the new features and improvements introduced in Entity Framework including enhanced POCO support, template-based code generation, tooling consolidation and connection resiliency. By the end of the book, you will be able to successfully extend the new functionalities of Entity framework into your project.
Table of Contents (16 chapters)
Entity Framework Tutorial Second Edition
About the Author
About the Reviewers

Chapter 3. Entities, Relationships, and the Entity Data Model

In the last chapter, you learned how we can get started using Entity Framework. As I mentioned in the earlier chapter, Entity Framework 7 is not yet released at the time of writing. So, we will discuss Entity Framework 6.x in this book and highlight the features of Entity Framework 7 wherever applicable.

In this chapter, you will learn about the Entity Data Model and its components. The Entity Data Model is a conceptual model that can be used to design the data access layer of your application. We will revisit the Security EDM we created in the previous chapter and discuss each of the sections. Specifically, we will discuss the following points:

  • Entities, entity types, and relationships

  • Introducing the Entity Data Model (EDM)

  • The goals of EDM

  • CSDL, MSL, and SSDL

  • Customizing entities

  • Customizing the EDM

  • Exception handling with Entity Framework

In this chapter, we will discuss each of the sections of the EDM in detail. We will start our...