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  • Blog Post: Enumeration Support in Entity Framework

    We recently shipped Entity Framework 4.1 , and it has been exciting to see the reception the new Code First and DbContext APIs have been getting in the developer community. What is also exciting is to be able to start talking more about other features we have been working on, like table-valued functions...
  • Blog Post: Unique Constraints in the Entity Framework

    Update: this feature has been postponed and will not be included in Entity Framework 5. Unique Constraints in the Entity Framework We’ve been busy working on enabling unique constraints in the Entity Framework. Unique Constraints allow you to model candidate keys (also known as alternate...
  • Blog Post: Table-Valued Function Support

    One of the key features coming in the next release of Entity Framework is Table-Valued Function support. It is a very popular customer request and we have been working diligently to design a solution that we hope you find simple, yet useful. This design intends to make TVFs first-class citizens on Entity...
  • Blog Post: Conventions for Code First

    The latest preview of Code First allows you to describe a model using C# or VB.Net classes. The basic shape of the model is detected by convention and then a fluent API can be used to further refine your model. We recently posted about our plans to support Data Annotations as another way to further...
  • Blog Post: Code Only – Further Enhancements

    We’ve come a long way since the last post on Code-Only . So it’s high time for another update. We’ve been working really hard on Code-Only revving the design, and spotting missing capabilities and responding to feedback both internal and external etc. The current plan still holds. Code-Only will...
  • Blog Post: Code Only

    There are currently two ways to get Entity Framework apps up and running, we call these Database First and Model First respectively. Database First has been with us since .NET 3.5 SP1, and involves reverse engineering an Entity Data Model from an existing database. Model First is new to Visual...
  • Blog Post: Using Stored Procedures to load structured data.

    V1 of the Entity Framework allows you to use stored procedures in two main ways: Mapping Create, Update and Delete entity operations to appropriate stored procedures. Doing a FunctionImport that allows you to return an enumeration of Entities* Now the thing is, in order to return an enumeration...
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