我无法获取中心位置,因为我可以保存并更新数据库。它只是在我遇到问题的地方取得
public class Club
{
public Club()
{
this.Memberships = new HashSet<Membership>();
this.People = new HashSet<Manager>();
this.Center = new Center();
}
public int ClubId { get; set; }
public string ClubName { get; set; }
public System.DateTime OpenDate { get; set; }
[ForeignKey("Center")]
public virtual Center Center { get; set; }
public virtual ICollection<Membership> Memberships { get; set; }
public virtual ICollection<Manager> People { get; set; }
}
我的中心模特
public class Center
{
[Key,ForeignKey("Club")]
public int ClubId { get; set; }
public string Location { get; set; }
public virtual Club Club { get; set; }
}
,索引方法是
public ActionResult Index()
{
return View(db.Clubs.ToList());
}
答案 0 :(得分:0)
您对Center的引用是虚拟的,因此它是延迟加载的。试试这个:
return View(db.Clubs.Include(c => c.Center).ToList());
https://msdn.microsoft.com/en-us/data/jj574232.aspx#lazy
我注意到您正在将实体模型发送到视图中。您可能希望查看viewmodel模式和automapper。 http://www.stevefenton.co.uk/Content/Blog/Date/201303/Blog/Why-You-Never-Expose-Your-Domain-Model-As-Your-MVC-Model/