Evolving the ADO.NET Entity Framework in .NET 4 and Beyond

Shyam PatherDevelopment ManagerMicrosoft Corporation

FT10

Chris AndersonDeveloperMicrosoft

Corporation

SQLServer

SQLAzure

Visual Studio “Quadrant”

SQL Server Modeling Services

Entity Framework

ADO.NET “M”/EDM

Data Services

…

How many new features can we

demo in one session?

New in ADO.NET Entity Framework 4.0> Model-first development> Automatic pluralization> Foreign keys in models> POCO class support> Lazy loading> T4 Code Generation> Template customization> IObjectSet> Virtual SaveChanges> ObjectStateManager control

> Self-tracking entities> SQL generation

improvements> More LINQ operator support> LINQ extensibility> ExecuteStoreQuery> ExecuteStoreCommand> SPROC import improvements> Model defined functions> WPF designer integration> Code-Only development

(Feature CTP)

Pit of Success> start with the database

> “database is the truth”> why? it already exists, or you want low level control over

the database> what? import model into edmx and tweak

> start with an edmx model> “edmx is the truth”> why? you want separation from code and database in a

declarative format> what? create a model and tweak

> start with .net classes> “code is the truth”> why? primarily focused on code shape, database is an

implementation detail> what? define classes in code, adjust shape using

contextbuilder

Call to Action

> Visit the Data Developer Center> http://msdn.microsoft.com/data

> Install .NET 4 Beta 2> Install the EF Feature CTP 2

> Both available from http://msdn.microsoft.com/data

> Gives us feedback> http://blogs.msdn.com/adonet> http://blogs.msdn.com/efdesign

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