partial void DeleteEntityDuAn(EntityDuAn instance);
		private void detach_EntityDuAns(EntityDuAn entity)
		{
			this.SendPropertyChanging();
			entity.EntityUser = null;
		}
	partial void UpdateEntityDuAn(EntityDuAn instance);
		private void attach_EntityDuAns(EntityDuAn entity)
		{
			this.SendPropertyChanging();
			entity.EntityUser = this;
		}
	partial void InsertEntityDuAn(EntityDuAn instance);