Inheritance: INotifyPropertyChanging, INotifyPropertyChanged
		private void attach_Orders(Orders entity)
		{
			this.SendPropertyChanging();
			entity.Customers = this;
		}
		private void detach_Orders(Orders entity)
		{
			this.SendPropertyChanging();
			entity.Customers = null;
		}
 partial void DeleteOrders(Orders instance);
 partial void UpdateOrders(Orders instance);
 partial void InsertOrders(Orders instance);
		private void detach_Orders(Orders entity)
		{
			this.SendPropertyChanging();
			entity.Employees = null;
		}
		private void attach_Orders(Orders entity)
		{
			this.SendPropertyChanging();
			entity.Employees = this;
		}