c# – AspNetUsers’ID作为外键分离表,一对一关系

我已经查找起来,尝试所有不同的和各种各样的方式可以将AspNetUser表的外键存储在单独的Customer表中.我仍然是ASP.NET和实体框架的新功能,但我已经阅读了不少帖子和文档.

目前这是我所拥有的

楷模

public class Customer
{
    [display (Name="Customer ID")]
    public int CustomerID { get; set; }

    public string UserId { get; set; }
    [ForeignKey("UserId")]
    public virtual ApplicationUser ApplicationUser { get; set; }

}


 public class ApplicationUser : IdentityUser
{
    public virtual Customer Customer { get; set; }
}

public class ApplicationDbContext : IdentityDbContext<ApplicationUser>
{
    public DbSet<Customer> Customers { get; set; }

    public ApplicationDbContext()
        : base("DefaultConnection")
    {
    }

}

我得到这个错误,引用

Unable to determine the principal end of an association between the types ‘TestApplication.Models.Customer’ and ‘TestApplication.Models.ApplicationUser’. The principal end of this association must be explicitly configured using either the relationship fluent API or data annotations.

我也尝试过这个人的方法：The principal end of this association must be explicitly configured using either the relationship fluent API or data annotations

所以我评论了ForeignKey注释,并使用了这个人的建议,使用了“modelBuilder”的方法.当我更新了我的数据库时,AspNetUsers表中的“Id”位于Customers表中(这是很好的),但是作为ForeignKey的CustomerID也在AspNetUsers表中,这不是我想要的.

我想要的是,AspNetUsers的“Id”作为ForeignKey在Customers表中.

public class Customer
{
    [Key]
    public string UserId { get; set; }

    [ForeignKey("UserId")]
    public virtual ApplicationUser ApplicationUser { get; set; }
}

public class ApplicationUser : IdentityUser
{
    public virtual Customer Customer { get; set; }
}

public class Customer
{
    [Key,ForeignKey("ApplicationUser")]
    public string UserId { get; set; }
    public virtual ApplicationUser ApplicationUser { get; set; }
}

public class ApplicationUser : IdentityUser
{
    public virtual Customer Customer { get; set; }
}