private void btnReadTrades_Click(object sender, EventArgs e)
        {
            IEnumerable <string> lines = tradeProcessor.ReadTrades();

            foreach (string line in lines)
            {
                lbTradeLines.Items.Add(line);
            }
            txtStoreStatus.Text = "Trades NOT stored in database yet.";
        }
        private void btnReadTrades_Click(object sender, EventArgs e)
        {
            //String tradeUrl = "http://faculty.css.edu/tgibbons/trades100.txt";
            string               tradeUrl          = txtTradeUrl.Text.ToString();
            ITradeDataProvider   tradeDataProvider = new UrlTradeDataProvider(tradeUrl);
            IEnumerable <string> lines             = tradeProcessor.ReadTrades(tradeDataProvider);

            foreach (string line in lines)
            {
                lbTradeLines.Items.Add(line);
            }
            txtStoreStatus.Text = "Trades NOT stored in database yet.";
        }