小编use*_*105的帖子

我在我的域项目中定义了一个(poco？)类:

public class Club
{
   public Club()
   {
      ContactPersons = new HashSet<ContactPerson>();
   }

   public int Id { get; set; }

   [Required]
   [StringLength(64)]
   public string Name { get; set; }

   public virtual ICollection<ContactPerson> ContactPersons { get; set; }
}

public class ContactPerson
{
     public virtual int Id { get; set; }

     [StringLength(64)]
     public virtual string FirstName { get; set; }

     [StringLength(64)]
     public virtual string LastName { get; set; }
 }

在我的MVC项目中,我有我的clubcontroller:

   public ActionResult Create(CreateClubViewModel model)
   {
      Club club = new Club(); …