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 … Read more
ef-code-first
Entity Framework 6 Code first Default value
is there “elegant” way to give specific property a default value ? Maybe by DataAnnotations, something like : [DefaultValue(“true”)] public bool Active { … Read more
What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First?
Does the virtual keyword has an effect when used on the properties in EF Code First?. Can someone describe all of its ramifications … Read more
Entity Framework: One Database, Multiple DbContexts. Is this a bad idea? [closed]
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be … Read more
Decimal precision and scale in EF Code First
I’m experimenting with this code-first approach, but I’m find out now that a property of type System.Decimal gets mapped to a sql column … Read more
Unique Key constraints for multiple columns in Entity Framework
I’m using Entity Framework 5.0 Code First; public class Entity { [Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)] public string EntityId { get; set;} public int FirstColumn { … Read more
Create code first, many to many, with additional fields in association table
I have this scenario: public class Member { public int MemberID { get; set; } public string FirstName { get; set; } public … Read more
Ignoring a class property in Entity Framework 4.1 Code First
My understanding is that the [NotMapped] attribute is not available until EF 5 which is currently in CTP so we cannot use it … Read more
Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths – why?
I’ve been wrestling with this for a while and can’t quite figure out what’s happening. I have a Card entity which contains Sides … Read more
Code-first vs Model/Database-first [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so … Read more