private void detach_CustomerCustomerDemo(CustomerCustomerDemo entity)
		{
			this.SendPropertyChanging();
			entity.Customers = null;
		}
		private void attach_CustomerCustomerDemo(CustomerCustomerDemo entity)
		{
			this.SendPropertyChanging();
			entity.CustomerDemographics = this;
		}
 partial void UpdateCustomerCustomerDemo(CustomerCustomerDemo instance);
 partial void DeleteCustomerCustomerDemo(CustomerCustomerDemo instance);
 partial void InsertCustomerCustomerDemo(CustomerCustomerDemo instance);