private void detach_rcs_sample_info(rcs_sample_info entity)
		{
			this.SendPropertyChanging();
			entity.rcs_bill = null;
		}
 partial void Updatercs_sample_info(rcs_sample_info instance);
 partial void Deletercs_sample_info(rcs_sample_info instance);
 partial void Insertrcs_sample_info(rcs_sample_info instance);