#ef-code-first

How to: What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First?

What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First?

The virtual keyword has an effect when used on properties in EF Code First. Can someone describe all its ramifications in different situations?

For instance, I know it can control lazy loadingif you use the virtual keyword on an ICollection/one-to-many relationship property, it will be lazy-loaded by default,…

Getting exact error type in from DbValidationException

I have the situation where I’m initializing my model in DatabaseInitializer() for EF 4.1 and get this annoying error "Validation failed for one or more entities. See 'EntityValidationErrors' property for more details." So, I go to this EntityValidationErrors and there is a field {System.Data.Entity.Validation.DbEntityValidationResult}which…