کلید خارجی یک جدول از خود جدول

[ژیار رحیمی]

public class City

   {

       

       public int CityId { get; set; }

       public string Name { get; set; }

       public int CityTypeId { get; set; }

       [ForeignKey(nameof(CityTypeId))]

       public virtual CityType CityType { get; set; }

       

       public int? ParentId { get; set; }

       [ForeignKey(nameof(ParentId))]

       public virtual City Parent { get; set; }

   }