partial void DeletePartStates(PartStates instance);
 partial void UpdatePartStates(PartStates instance);
		private void detach_PartStates(PartStates entity)
		{
			this.SendPropertyChanging();
			entity.Customer = null;
		}
 partial void InsertPartStates(PartStates instance);
		private void attach_PartStates(PartStates entity)
		{
			this.SendPropertyChanging();
			entity.CustomerLocation = this;
		}