How to add a foreign key reference to ASP.Net MVC 5 Identity?

Question

I have a new ASP.NET MVC 5.1 project using the ASP.Net Identity. It seems reliable and promise, but today i spend almost 9 hours to do a simple things if using SQL.

My p

Answer 1

You can do like this. because sometime you may need 1-1 connection

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

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