public void DeleteTransaction(int transactionId)
{
SaleManager sm = new SaleManager();
List <Sale> sales = sm.GetSalesByTransactionID(transactionId);
foreach (Sale s in sales)
{
sm.DeleteSale(s.ID);
}
sales.Clear();
sm = null;
PaymentManager pm = new PaymentManager();
Payment p = pm.GetPaymentByTransactionID(transactionId);
pm.DeletePayment(p.ID);
p = null;
pm = null;
TransactionCache.GetInstance().DeleteTransaction(transactionId);
}
