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我有一个领域模型是这样EF CF:是不是FK的对象总是空?
public class ShipToCode
{
public int ShipToCodeID { get; set; }
[Required(ErrorMessage = "Nombre es requerido",AllowEmptyStrings = false)]
[StringLength(50, ErrorMessage = "Debe ser menor a 50 carácteres")]
[MaxLength(50)]
[Column("nb_name")]
public string Name { get; set; }
[StringLength(15, ErrorMessage = "Debe ser menor a 15 carácteres")]
[MaxLength(15)]
[Column("cd_locId")]
public string locId { get; set; }
public int? RegionID { get; set; }
public virtual Region Region { get; set; }
[Required(ErrorMessage = "Dealer es requerido")]
public int DealerID { get; set; }
public virtual Dealer Dealer { get; set; }
}
public class Dealer
{
public Dealer()
{
this.ShipToCode = new HashSet<ShipToCode>();
}
public int DealerID { get; set; }
[Required(ErrorMessage = "Nombre es requerido")]
[StringLength(100, ErrorMessage = "Debe ser menor a 100 carácteres")]
[MaxLength(100)]
[Column("nb_name")]
public string Name { get; set; }
[Required(ErrorMessage = "Codigo de distribuidor es requerido")]
[StringLength(100, ErrorMessage = "Debe ser menor a 100 carácteres")]
[MaxLength(100)]
[Column("cd_dealerCode")]
public string DealerCode { get; set; }
public virtual ICollection<ShipToCode> ShipToCode { get; private set; }
}
在我的上下文
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
modelBuilder.Entity<ShipToCode>()
.HasRequired<Dealer>(d => d.Dealer)
.WithMany(d => d.ShipToCode)
.HasForeignKey<int>(c => c.DealerID);
}
但是,当我得到任何ShipToCode或经销商,使用DbSet的查找功能,在我的经销商的对象ShipToCode或ShipToCode在经销商的ICollection为空
这是正常的或我错过了什么?请帮忙!!
谢谢!! 在我的上下文的构造函数中,我启用了延迟加载,并且可以很好地处理对象,但在我的IColletion中,只需将最后保存的行带给我即可。 –
user972139
为什么你有'私人设置'方法'IColletion'? –