partial void DeleteSubstance(Substance instance);
 partial void UpdateSubstance(Substance instance);
 partial void InsertSubstance(Substance instance);
		private void detach_Substances(Substance entity)
		{
			this.SendPropertyChanging();
			entity.Component = null;
		}
		private void detach_Substances3(Substance entity)
		{
			this.SendPropertyChanging();
			entity.UnitValue3 = null;
		}
		private void attach_Substances2(Substance entity)
		{
			this.SendPropertyChanging();
			entity.UnitValue2 = this;
		}