Implementing entity framework with wcf may be you like this interest to donate. Books is talking about wcf security hosting wcf services with basic authentication and htts. Adding database support and exception handling in the previous chapter, we created a wcf service with two layers. Dec 07, 2010 ive had a few problems when i first started trying to use the entity framework with wcf mainly because it needed to be stateless between requests and all the examplestutorials ive seen involve the context being held on to for the life of an entity to manage changes. In the next chapters, we will learn linq and entity framework and. I have read close to 50 articles about ef and wcf services and im all about confusion right now.
He is selection from wcf multilayer services development with entity framework fourth edition book. Using entity framework 6 in visual studio 20 overview ado. You will be guided right through the creation of six wcf and entity framework solutions. Implementing a wcf service with entity framework codeproject.
Entity framework is probably the top package in the list. This topic shows you how to create an entity frameworkbased data model in a visual studio web application that is based on an existing database and use this data model to create a. On the choose your database objects page, expand the tables node, select the customers check box, and then choose the finish button. My recommendations for entity framework literature. If nothing happens, download github desktop and try again. Now, we have finished implementing the threelayer wcf service, according to the wcf service development best practices. Working with wcf data services and entity framework in this section, we will discuss how we can create a wcf data service using entity framework and the adventureworks database. Exposing entity framework over wcf service stack overflow. We want to base our controller and views on the car object. The entity model diagram displays, and a northwindmodel.
About the author mike liu studied mathematics and software engineering at nanjing university and brandeis university, where he graduated with a bachelors degree and a masters degree, respectively. Ive had a few problems when i first started trying to use the entity framework with wcf mainly because it needed to be stateless between requests and all the examplestutorials ive seen involve the context being held on to for the life of an entity to manage changes. This topic shows you how to create an entity framework based data model in a visual studio web application that is based on an existing database and use this data model to create a. Implement a simple wcf service using entity framework as the. Six ways to build better entity framework core and ef6. Understanding how wcf ria services relates to the entity framework 485. Get started with entity framework 6 ef6 microsoft docs. Download it once and read it on your kindle device, pc, phones or tablets.
For the beginning developer, this book presents concrete examples for widespread data entry duties. Wcf data services catches up to entity framework 6 visual. Using the entity framework with wcf gavin draper sql. So i create a model for my database using entity framework. Developers and architects evaluating soa implementation technologies for their company will find this book useful. While entity framework has been made open source, wcf is still mainly proprietary, though wcf ria services is likely to be open sourced soon, according to microsofts jeff handley. Im trying to create my first application using entity framework, wcf, mvvm and wpf technologies. Summary wcf multilayer services development with entity. Net, entity framework, linq to sql, nhibernate entities of ef and datacontract of wcf entities of ef and datacontract of wcf answered rss 2 replies. Programming entity framework, 2nd edition oreilly media. This page will be used to provide code samples from the book and the sample databases.
Net created a chickenegg problem in the book market. Seperate the poco classes to a seperate project projectname. Configuration files, host applications, test clients, and wcf services for each solution will also be available for download for you to examine, modify, and debug from the outside in. In the main menu, choose project manage nuget packages. Wcf multilayer services development with entity framework. Edition 2 ebook written by zeeshan hirani, larry tenny, nitin gupta, brian driscoll, robert vettor. I am also placing downloads for my entity framework conference presentations on this page. While every precaution has been taken in the preparation of this book, the. Steps to use entity framework in wcf stack overflow. Working with wcf data services and entity framework entity. Oct 23, 2016 entity framework 6 uses an open development model. Mvc 5 controller with views, using entity framework.
The app uses sql server localdb, the northwind database, entity framework 6, and windows presentation foundation. I cant be the only one who has been confused by iqueryable when working with entity framework or linq to sql. Windows communication foundation i about the tutorial wcf stands for windows communication foundation. It leaves the reference material online where it belongs, and concentrates instead on practical examples, code, and advice. Create and deploy complete solutions with wcf and entity frameworkabout this book build soa applications on microsoft platforms. It shows how to do basic databinding with a masterdetail view, and it also has a custom binding navigator with buttons for move next, move previous, move to beginning, move to end, update and delete. Even though this book is based off an earlier version of entity framework, the concepts and information still apply because the dbcontext uses the objectcontext. Find out how you can help make ef even better by visiting our github repository. Written by julia lerman, the leading independent authority on the framework, programming entity framework covers it all from the entity data model and object services to wcf services, mvc apps, and unit testing. Net entity framework 4 microsofts core framework for modeling and interacting with data in. Competence in entity framework will be needed to follow the examples in the book, but experience in creating wcf services using entity framework is not necessary. To add a wcf data service application to an existing web application, follow these steps.
One important performance improvement is in precompiled queries. Simple data application with wpf and entity framework 6. This book will teach you wcf, entity framework, linq, and linq to entities quickly and easily. And, by the way, i would never transport the entity framework generated entities between tiers or layers of my application except if you use the poco generator. Adding database support and exception handling wcf multi.
A compiled query is one that is stored as a parsed tree in memory so that it neednt be regenerated with every subsequent call. Since that code should be the same for every default ef 6 wcf ds provider, we went ahead and included a class the new entityframeworkdataservice class that does this for you. We didnt add the third layer, that is, the data selection from wcf multilayer services development with entity framework fourth edition book. Entity framework 6 recipes provides an exhaustive collection of readytouse code solutions for entity framework, microsofts modelcentric, dataaccess platform for the. Jul 17, 2014 mvc 5 controller with views, using entity framework. Developers and architects evaluating soa implementation technologies for their company will find this book. Use features like bookmarks, note taking and highlighting while reading wcf multilayer services development with entity framework fourth edition. Download for offline reading, highlight, bookmark or take notes while you read entity framework 6 recipes. Wcf multilayer services development with entity framework fourth edition kindle edition by liu, mike.
Net entity framework ef is an objectrelational mapper orm that enables you to add data access logic to your applications by programming with a conceptual application model instead of programming directly using a relational storage schema. You will start off by creating, implementing, and hosting a basic helloworld wcf service followed by deploying the service and publishing it to iis. Want to be notified of new releases in mikewassonbookservice. Jan 11, 20 and, by the way, i would never transport the entity framework generated entities between tiers or layers of my application except if you use the poco generator. Click add and fill in the add controller dialog as follows.
The book focuses on the essentials of using wcf and entity framework, rather than providing a reference to every single possibility. In your environment you have to reference the entity framework in the client or business logic although they are not responsible for data access. In this section, we will discuss how we can create a wcf data service using entity framework and the adventureworks database. Chapter 12 of my book wcf multilayer services development with entity framework, 4th edition. In the nuget package manager, click on the browse link. Working with wcf data services and entity framework. Nov 17, 2014 chapter 12 of my book wcf multilayer services development with entity framework, 4th edition. This book will teach you all the essentials to develop wcf services using entity framework as the backend. We have also added exception handling to the service. This is the first book i read about entity framework. Netentity framework when the data source is a relational database. The correct db context to use is the carsdbcontext we created previously. Nov 22, 2016 this is the first book i read about entity framework. Performance improvements in entity framework 6 entity.
The team admitted that it didnt have time to do full testing on the new provider because the developers were heads down preparing for odata v4 support. Create and deploy complete solutions with wcf and entity framework about. When support was added for ef 6, microsoft utilized the new public provider functionality added in ef6 to allow the provider to ship separately. This book highlights important changes for experienced developers familiar. It is a framework for building, configuring, and deploying networkdistributed services. Wcf data services exposes entity data as a data service.
Net and entity framework, windows communication foundation wcf, windows presentation foundation wpf, asp. With this book, you will learn the core concepts of entity framework through a broad range of clear and concise solutions to everyday data access tasks. Wcf, entity framework, and data contracts codeproject. With this book, you will learn the core concepts of entity framework through a broad range of clear and concise solutions to everyday. Leave all other options untouched so that even the views will be created. Frequently referred to as protobuf, the technology consists of a language and platformneutral, extensible, binary format for fast data exchange that relies on an interface description language, which. Working with protobuf wcf services entity framework. May be they are insufficient or some are not required. This book highlights important changes for experienced developers familiar with the earlier version.
In the spotlight demystifying iqueryable entity framework 6. Earlier known as indigo, it enables hosting services in any type of operating system process. All code samples in this post use entity framework 6 although all versions behave the same and use the adventure works 2012 database. Just for reference, i am also using visual studio 20 and sql server 2012 but all should hold true with any past version. In the spotlight demystifying iqueryable entity framework 6 published on nov 24, 20. In entity framework 6, query performance has been improved a lot. I cover traditional crud operations select, insert, update, and delete and explain how the entity framework simplifies your.
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