partial void Deletec_reagent(c_reagent instance);
 partial void Updatec_reagent(c_reagent instance);
		private void detach_c_reagent(c_reagent entity)
		{
			this.SendPropertyChanging();
			entity.c_client = null;
		}
 partial void Insertc_reagent(c_reagent instance);
		private void attach_c_reagent(c_reagent entity)
		{
			this.SendPropertyChanging();
			entity.c_client = this;
		}