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我有這些類:ASP.Net MVC3 EF 4.1型號代碼第一個父ID構建
public class Event
{
[Key]
public int ID { get; set; }
[Required]
public string Name { get; set; }
[Required]
public DateTime Begin { get; set; }
[Required]
public DateTime End { get; set; }
public string Description { get; set; }
public virtual ICollection<EventRegistration> Registrations { get; set; }
public virtual ICollection<EventComment> Comments { get; set; }
}
public class EventComment
{
[Key]
public int ID { get; set; }
[Required]
public int PersonID { get; set; }
[Required]
public int EventID { get; set; }
[Required]
public DateTime EntryDate { get; set; }
[Required]
public string Comment { get; set; }
public int? ParentCommentID { get; set; }
public virtual Event CommentEvent { get; set; }
public virtual Person CommentPerson { get; set; }
public virtual EventComment ParentComment { get; set; }
public virtual ICollection<EventComment> ChildComments { get; set; }
}
在方面,我有以下幾點:
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
modelBuilder.Conventions.Remove<PluralizingTableNameConvention>();
modelBuilder.Entity<EventComment>()
.HasMany(s => s.ChildComments)
.WithOptional()
.HasForeignKey(s => s.ParentCommentID);
}
的EventComments和兒童得到正確加載。 但是每個事件都會使用該EventID加載所有EventComments。 Event類應該只加載沒有ParentID的EventComments。 我該怎麼做?