private void detach_OnlineExamine(OnlineExamine entity)
 {
     this.SendPropertyChanging();
     entity.Subject = null;
 }
 partial void DeleteOnlineExamine(OnlineExamine instance);
 partial void InsertOnlineExamine(OnlineExamine instance);
 partial void UpdateOnlineExamine(OnlineExamine instance);
 private void attach_OnlineExamine(OnlineExamine entity)
 {
     this.SendPropertyChanging();
     entity.Examinee = this;
 }