Object Services enables you to work with entities such as in-memory objects. In-memory objects are those that reside in the memory of your system—you can persist them to a persistent storage device if you need to. The Object Services Layer strives to eliminate the impedance mismatch that exists between the relational and the programming models. You can use Object Services for change tracking, data binding objects to data controls, inheritance, lazy loading, relationship navigation, and handling concurrency conflicts. Object Services support both LINQ and Entity SQL queries. The classes of the Object Services Layer are contained in the System.Data.Objects and System.Data.Objects.DataClasses namespaces. The ObjectContext class is the core of the Object Services Layer. The Object Services Layer processes the LINQ to Entities and ObjectQuery queries and then materializes the query results as objects. It also keeps track of the state information of the objects, the...
Entity Framework Tutorial (Update) - Second Edition
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Entity Framework Tutorial (Update) - Second Edition
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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.
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Entity Framework Tutorial (Update) - Second Edition
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Table of Contents (16 chapters)
Entity Framework Tutorial Second Edition
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Free Chapter
Introducing the ADO.NET Entity Framework
Getting Started
Entities, Relationships, and the Entity Data Model
Working with Stored Procedures in the Entity Data Model
Working with Entity Client and Entity SQL
Working with LINQ to Entities
Working with the Object Services Layer
Working with WCF Data Services
Advanced Concepts
Index
Customer Reviews