private void detach_CurrencyRates1(CurrencyRate entity)
		{
			this.SendPropertyChanging();
			entity.Currency1 = null;
		}
		private void attach_CurrencyRates1(CurrencyRate entity)
		{
			this.SendPropertyChanging();
			entity.Currency1 = this;
		}
 partial void UpdateCurrencyRate(CurrencyRate instance);
 partial void DeleteCurrencyRate(CurrencyRate instance);
 partial void InsertCurrencyRate(CurrencyRate instance);