Programming Entity Framework: Dbcontext - Lerman, Julia; Miller, Rowan
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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 sharp code samples to help you get started. All you need is…mehr

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Produktbeschreibung
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 sharp 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
Autorenporträt
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.