Optional One-to-many Relationship in Entity Framework

Question

I\'m having issues getting an optional one-to-many relationship to work.

My model is:

public class Person
{
    public int Identifier { get; set; }
          


        

Answer 1

You can try this:

this.HasOptional(s => s.Department)
    .WithMany(s => s.Members)
    .HasForeignKey(s => s.MemberOfDepartment);