Entity Framework 6 - Knowledge Base (KB)

How to declare one to one relationship using Entity Framework 4 Code First (POCO)

How to declare a one to one relationship using Entity Framework 4 Code First (POCO)?...I found ...this question (one-to-one relationships in Entity Framework 4) ..., but the article that the answer references was not useful (there is one line of code that...

How to Create a real one-to-one relationship in SQL Server

I have two tables ...tableA... and ...tableB..., I set ...tableB...'s primary key as foreign key which references ...tableA...'s primary. But when I use Entity Framework database-first, the model is 1 to 0..1. ...How does one create a one-to-one relations...

Create one to one relationship by using entity framework database first

In ...EF Code First..., we can create one-to-one relationship by coding like this:...public class User { public int UserID {get;set;} public string Name {get;set;} public int UserDetailID {get;set;} public UserDetail Detail {get;set;} } public class Use...

One to one optional relationship using Entity Framework Fluent API

We want to use one to one optional relationship using Entity Framework Code First. We have two entities....public class PIIUser { public int Id { get; set; } public int? LoyaltyUserDetailId { get; set; } public LoyaltyUserDetail LoyaltyUserDe...

AspNetUsers' ID as Foreign key in separate table, one-to-one relationship

I have looked up and down, tried all the different and various ways of being able to store a foreign key of the AspNetUser table in a separate Customer table. I'm still new at ASP.NET and the Entity Framework, but I've read quite a few posts and documenta...

Entity Framework 6 code first fluent API one to one relation with both ends required

I want to implement One to One relation with both ends required with the fluent API in Entity Framework 6 code first....I have the principal class:...public class Student { public int Id{ get; set;} public string Name{ get; set;} public Stu...