online retrieval code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Quotes;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.IO;

namespace WebApplication1
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void Button1_Click1(object sender, EventArgs e)
        {

            string stockName = "brcm"; //stock name

            StockPrice sp = FetchStockQuotes(stockName); //calling method
            string a = sp.Name;
            string b = sp.TradeRate.ToString();
            string c = sp.TradeDate;

            TextBox1.Text = a;
            TextBox2.Text = b;
            TextBox3.Text = c;



            string stockName1 = "aapl"; //stock name

            StockPrice sp1 = FetchStockQuotes(stockName1); //calling method
            string a2 = sp1.Name;
            string b2 = sp1.TradeRate.ToString();
            string c2 = sp1.TradeDate;

            TextBox4.Text = a2;
            TextBox5.Text = b2;
            TextBox6.Text = c2;


            string stockName2 = "rby"; //stock name

            StockPrice sp2 = FetchStockQuotes(stockName2); //calling method
            string a3 = sp2.Name;
            string b3 = sp2.TradeRate.ToString();
            string c3 = sp2.TradeDate;

            TextBox7.Text = a3;
            TextBox8.Text = b3;
            TextBox9.Text = c3;

            string stockName3 = "msft"; //stock name

            StockPrice sp3 = FetchStockQuotes(stockName3); //calling method
            string a4 = sp3.Name;
            string b4 = sp3.TradeRate.ToString();
            string c4 = sp3.TradeDate;

            TextBox10.Text = a4;
            TextBox11.Text = b4;
            TextBox12.Text = c4;


            string stockName4 = "goog"; //stock name

            StockPrice sp4 = FetchStockQuotes(stockName4); //calling method
            string a5 = sp4.Name;
            string b5 = sp4.TradeRate.ToString();
            string c5 = sp4.TradeDate;

            TextBox13.Text = a5;
            TextBox14.Text = b5;
            TextBox15.Text = c5;


            string stockName5 = "fdx"; //stock name

            StockPrice sp5 = FetchStockQuotes(stockName5); //calling method
            string a6 = sp5.Name;
            string b6 = sp5.TradeRate.ToString();
            string c6 = sp5.TradeDate;

            TextBox16.Text = a6;
            TextBox17.Text = b6;
            TextBox18.Text = c6;

            string stockName6 = "f"; //stock name

            StockPrice sp6 = FetchStockQuotes(stockName6); //calling method
            string a7 = sp6.Name;
            string b7 = sp6.TradeRate.ToString();
            string c7 = sp6.TradeDate;

            TextBox19.Text = a7;
            TextBox20.Text = b7;
            TextBox21.Text = c7;


            string stockName7 = "bac"; //stock name

            StockPrice sp7 = FetchStockQuotes(stockName7); //calling method
            string a8 = sp7.Name;
            string b8 = sp7.TradeRate.ToString();
            string c8 = sp7.TradeDate;

            TextBox22.Text = a8;
            TextBox23.Text = b8;
            TextBox24.Text = c8;

            string stockName8 = "usb"; //stock name

            StockPrice sp8 = FetchStockQuotes(stockName8); //calling method
            string a9 = sp8.Name;
            string b9 = sp8.TradeRate.ToString();
            string c9 = sp8.TradeDate;

            TextBox25.Text = a9;
            TextBox26.Text = b9;
            TextBox27.Text = c9;




        }









        private static List<StockPrice> ParseStockPrices(string csvData)
        {
            List<StockPrice> prices = new List<StockPrice>();
            if (csvData != null && csvData != "")
            {
                try
                {
                    string[] rows = csvData.Replace("\r", "").Split('\n');
                    foreach (string row in rows)
                    {
                        if (string.IsNullOrEmpty(row)) continue;

                        string[] cols = row.Split(',');

                        StockPrice p = new StockPrice();
                        p.Symbol = cols[0].Replace("\"", "");
                        p.Name = cols[1].Replace("\"", ""); ;
                        p.TradeRate = Convert.ToDecimal(cols[2].Replace("\"", ""));
                        p.TradeDate = cols[3].ToString().Replace("\"", "") + " " + cols[4].ToString().Replace("\"", "").ToUpper() + " EST";
                        p.Change = Convert.ToDecimal(cols[5]);
                        p.ChangePercent = Convert.ToString(cols[6]).Replace("\"", "");
                        p.ChangePercent = p.ChangePercent.Replace(" - ", "*");
                        string[] temp = p.ChangePercent.Split('*');
                        p.ChangePercent = temp[1].Replace("\"", "");
                        prices.Add(p);
                    }
                }
                catch (Exception ex)
                {

                }
            }
            return prices;
        }

        private static string GetStockMarketUrl()
        {
            return "http://finance.yahoo.com/d/quotes.csv?f=snl1d1t1c1c&s=";
            //return StockMarketURL;
        }

        public static StockPrice FetchStockQuotes(string symbol)
        {
            string url = GetStockMarketUrl() + symbol;
            string csvData = string.Empty;
            List<StockPrice> prices = new List<StockPrice>();
            using (WebClient web = new WebClient())
            {
                try
                {
                    csvData = web.DownloadString(url);
                    if (csvData != "")
                    {
                        prices = ParseStockPrices(csvData);
                    }
                }
                catch (Exception ex)
                {

                }

            }
            return prices[0];
        }