partial void DeleteEntityDuAnTag(EntityDuAnTag instance);
	partial void UpdateEntityDuAnTag(EntityDuAnTag instance);
		private void detach_EntityDuAnTags(EntityDuAnTag entity)
		{
			this.SendPropertyChanging();
			entity.EntityDuAn = null;
		}
	partial void InsertEntityDuAnTag(EntityDuAnTag instance);
		private void attach_EntityDuAnTags(EntityDuAnTag entity)
		{
			this.SendPropertyChanging();
			entity.EntityDuAn = this;
		}