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Sinopsis
The DbContext API captures Entity Framework's (EF) most commonly used features and tasks, simplifying development with EF. This concise book shows you how to use the API to perform set operations with the DbSet class, handle change tracking and resolve concurrency conflicts with the Change Tracker API, and validate changes to your data with the Validation API.
With DbContext, you'll be able to query and update data, whether you're working with individual objects or graphs of objects and their related data. You'll find numerous C# code samples to help you get started. All you need is experience with Visual Studio and database management basics.
- Use EF's query capabilities to retrieve data, and use LINQ to sort and filter data
- Learn how to add new data, and change and delete existing data
- Use the Change Tracker API to access information EF keeps about the state of entity instances
- Control change tracking information of entities in disconnected scenarios, including NTier applications
- Validate data changes before they're sent to the database, and set up validation rules
- Bypass EF's query pipeline and interact directly with the database
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Acerca del autor
Julia Lerman is the leading independent authority on the Entity Framework and has been using and teaching the technology since its inception in 2006. She is well known in the .NET community as a Microsoft MVP, ASPInsider, and INETA Speaker. Julia is a frequent presenter at technical conferences around the world and writes articles for many well-known technical publications including the Data Points column in MSDN Magazine. Julia lives in Vermont with her husband, Rich, and gigantic dog, Sampson, where she runs the Vermont.NET User Group. You can read her blog at www.thedatafarm.com/blog and follow her on Twitter at julielerman. Rowan is based in Seattle, Washington and works as a Program Manager for the ADO.Net Entity Framework team at Microsoft. Prior to moving to the US he resided in the small state of Tasmania in Australia. Rowan speaks at technical conferences and blogs at http://romiller.com. Outside of technology Rowan's passions include snowboarding, mountain biking, horse riding, rock climbing and pretty much anything else that involves being active. The primary focus of his life, however, is to follow Jesus.
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Programming Entity Framework: Dbcontext: Querying, Changing, and Validating Your Data with Entity Framework
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O'Reilly Media (edition 1), 2012
ISBN 10: 1449312969
ISBN 13: 9781449312961
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Programming Entity Framework: DbContext: Querying, Changing, and Validating Your Data with Entity Framework
Publicado por
O'Reilly Media, 2012
ISBN 10: 1449312969
ISBN 13: 9781449312961
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Programming Entity Framework: Dbcontext : Querying, Changing, and Validating Your Data with Entity Framework
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O'Reilly Media, Incorporated, 2012
ISBN 10: 1449312969
ISBN 13: 9781449312961
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Programming Entity Framework: Dbcontext : Querying, Changing, and Validating Your Data with Entity Framework
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O'Reilly Media, Incorporated, 2012
ISBN 10: 1449312969
ISBN 13: 9781449312961
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Programming Entity Framework: Dbcontext: Querying, Changing, and Validating Your Data with Entity Framework
Publicado por
O'Reilly Media, 2012
ISBN 10: 1449312969
ISBN 13: 9781449312961
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Programming Entity Framework: Dbcontext: Querying, Changing, and Validating Your Data with Entity Framework
Publicado por
O'Reilly Media, 2012
ISBN 10: 1449312969
ISBN 13: 9781449312961
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Programming Entity Framework: Dbcontext: Querying, Changing, and Validating Your Data with Entity Framework
Publicado por
O'Reilly Media, 2012
ISBN 10: 1449312969
ISBN 13: 9781449312961
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Programming Entity Framework: Dbcontext: Querying, Changing, and Validating Your Data with Entity Framework
Publicado por
O'Reilly Media, 2012
ISBN 10: 1449312969
ISBN 13: 9781449312961
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Paperback
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Programming Entity Framework: DbContext
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ISBN 13: 9781449312961
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Paperback. Condición: Very Good. Programming Entity Framework: DbContext This book is in very good condition and will be shipped within 24 hours of ordering. The cover may have some limited signs of wear but the pages are clean, intact and the spine remains undamaged. This book has clearly been well maintained and looked after thus far. Money back guarantee if you are not satisfied. See all our books here, order more than 1 book and get discounted shipping. . Nº de ref. del artículo: 7719-9781449312961
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Programming Entity Framework: Dbcontext: Querying, Changing, and Validating Your Data with Entity Framework
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ISBN 10: 1449312969
ISBN 13: 9781449312961
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Paperback. Condición: Very Good. In addition to Code First, EF 4.1 introduces simpler EF coding patterns with the DbContext, DbSet, ChangeTracker and Validation APIs. This second mini-book will take the reader on a tour of these new features and how to take advantage of them. These new classes and APIs let the user focus on the most common coding tasks with Entity Framework and streamlines access to patterns which are frequently used, but were previously non-intuitive and complicated to code. With the new features in hand, the reader will then see how to leverage EF 4.1 in a variety of applications - client applications, web applications, services - and architectures from drag & drop to enterprise apps with repositories, Unit of Work and automated testing. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged. Nº de ref. del artículo: GOR007766976
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