public void DeleteSymbol(PositionEntry positionEntry)
        {
            TransactionFeed transactionFeed = FinanceService.Query(new TransactionQuery(positionEntry.TransactionHerf + Details())); //+ FinanceNamespace.TRANSACTIONSAPPENDQUERY));

            foreach (TransactionEntry transactionEntry in transactionFeed.Entries)
            {
                FinanceService.Delete(new Uri(transactionEntry.EditUri.Content));
            }
        }
        public List <TransactionEntry> RetrieveSymbolTransaction(PositionEntry entry)
        {
            TransactionFeed transactionFeed = FinanceService.Query(new TransactionQuery(entry.TransactionHerf + Details()));

            List <TransactionEntry> transactionEntries = new List <TransactionEntry>();

            //transactionFeed.Entries.ToList<AtomEntryCollection>().ForEach(t => transactionEntries.Add(t));
            foreach (TransactionEntry te in transactionFeed.Entries)
            {
                transactionEntries.Add(te);
            }
            return(transactionEntries);
        }