tailieunhanh - Pro Entity Framework 4.0

In July 2008 Microsoft released the first version of the Entity Framework as part of the Visual Studio 2008 Service Pack 1 as well as the .NET Framework Service Pack 1. At the time, Microsoft LINQ (Language Integrated Query) and LINQ to SQL had been out for a while and were gaining a lot of attention. Both the Entity Framework and LINQ to SQL showed that Microsoft was very serious about improving developer productivity, by providing an infrastructure for managing relational data as objects and programming against a conceptual model instead of directly against a storage schema. While Microsoft did its best to tout. | Companion eBook See last page for details on 10 eBook version Pro Entity Framework Dear Reader Scott Klein BOOKS FOR PROFESSIONALS BY PROFESSIONALS Pro Pro TH Scott Klein ISBN 978-1-59059-990-7 Apress Apress Entity . . Framework Companion eBook Available THE EXPERT S VOICE IN .NET Entity Framework is an object relational mapping framework enabling you to work with relational data in terms of strongly typed objects. Entity Framework eliminates the need for writing much of the data access code found in many of today s applications. This book shows how to use Entity Framework along with Visual Studio 2010 to design and develop applications. I walk you through the changes and enhancements in the release. You ll see how to use the new features to build applications using common development environments such as Windows and WCF Data Services. I begin with an introductory look at the Entity Framework and key features such as the Entity Data Model. You ll learn the internals of the Entity Data Model and how to leverage those internals to create flexible applications. Then you ll learn to query the Entity Data Model using LINQ through a feature referred to as LINQ to Entities . The rest of the book goes into many of the great new features such as support for model-first development and code-only building of conceptual models. There is better relationship support for foreign keys and new support for T4 templates. You ll find information on enhanced features such as improved stored procedure support. Detailed examples are provided in each chapter to illustrate how to use each of these new and improved features. I am a database guy. I live and breathe databases especially SQL Server. I m excited by Entity Framework and what it offers to developers. My goals with this book are to provide background into what the Entity Framework is and to show how it can be beneficial to you and your applications. I hope you find the information valuable and .