After migrated EF4 CTP5 to RC1, I notice the ObjectContext is no longer accessible through DbContext. It means I can\'t access ChangeObjectState method.
Using the code-first approach available in the new 4.1 RC. Is there any way to persist the current data stored in a database when the mode changes? The database is created by the entity framework, an
I have commented out all calls to Database.SetInitializer<>() in my EF Code First application.However, even without any explicit calls to create the database, my Asp.net MVC application is still
Entity Framework v4.1RC is out. Is there a good reason not to start working on upgrading now when the release date for my software is 1-2 months ahead?
I am working on Entity Framework 4.1 and using data annotations for foreign keys. I want to know how can we define one to many relationship between produ开发者_JS百科ct and categories. I want to map c
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Here is my simplified code: // Domain models public class Order { public int ID { get; set; } public int CustomerID { get; set; }
I\'m faced with a confusing problem where in my Edit or Create action result methods, EF4 will throw a DbEntityValidationException with the inner message stating:
EF 4.1 RC. I want to run some code after an e开发者_运维问答ntity has been added/attached to the DBContext. Is there an event for this (I can\'t find one). Basically I want to check if the added/attac
I\'m using new Entity Framework 4.1 Model first approach that makes use of T4 templates to generate classes from visual model.
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