ASP.NET

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;

namespace WMS_WebConfig
{
    public partial class _Default : System.Web.UI.Page
    {
        private StreamWriter writer;
        private StreamReader reader;
        int index;

        protected void Page_Load(object sender, EventArgs e)
        {
            
            monitoredSitesLB.Items.Clear();
            

            if (!Directory.Exists("C:\\Program Files\\Virasec, LLC\\WMS"))
            {
                // Create the directory it does not exist.
                Directory.CreateDirectory("C:\\Program Files\\Virasec, LLC\\WMS");
            }

            if (!File.Exists("C:\\Program Files\\Virasec, LLC\\WMS\\monitoredsites.txt"))
            {
                writer = new StreamWriter("C:\\Program Files\\Virasec, LLC\\WMS\\monitoredsites.txt", true);
                writer.Close();
            }

            reader = new StreamReader("C:\\Program Files\\Virasec, LLC\\WMS\\monitoredsites.txt");
            string line;

            while ((line = reader.ReadLine()) != null)
            {
               monitoredSitesLB.Items.Add(line);
            }

            index = monitoredSitesLB.SelectedIndex;

           reader.Close();
            
        }

        protected void addBtn_Click(object sender, EventArgs e)
        {
            ListItem item = new ListItem(urlTxtBox.Text);

            if (monitoredSitesLB.Items.Contains(item))
            {
                statusLbl.Text = "The website you entered is currently being monitored. " +
                    "Please enter another site to monitor.";
            }
            else
            {
                if (urlTxtBox.Text.Contains("http://"))
                {
                    monitoredSitesLB.Items.Add(urlTxtBox.Text);

                    writer = new StreamWriter
                    ("C:\\Program Files\\Virasec, LLC\\WMS\\monitoredsites.txt", false);

                    if (File.Exists("C:\\Program Files\\Virasec, LLC\\WMS\\monitoredsites.txt"))
                    {
                        foreach (object li in monitoredSitesLB.Items)
                        {
                            writer.WriteLine(li.ToString());

                        }
                        writer.Close();
                    }
                }
                else
                {

                    urlTxtBox.Text = "http://" + urlTxtBox.Text;

                    item = new ListItem(urlTxtBox.Text);

                    if (monitoredSitesLB.Items.Contains(item))
                    {
                        statusLbl.Text = "The website you entered is currently being monitored. " +
                    "Please enter another site to monitor.";
                    }
                    else
                    {
                        monitoredSitesLB.Items.Add(urlTxtBox.Text);

                        writer = new StreamWriter
                        ("C:\\Program Files\\Virasec, LLC\\WMS\\monitoredsites.txt", false);

                        if (File.Exists("C:\\Program Files\\Virasec, LLC\\WMS\\monitoredsites.txt"))
                        {
                            foreach (object li in monitoredSitesLB.Items)
                            {
                                writer.WriteLine(li.ToString());

                            }
                            writer.Close();
                        }
                    }


                }


            }

       

        }

        protected void remBtn_Click(object sender, EventArgs e)
        {


            
                index = monitoredSitesLB.SelectedIndex;

                monitoredSitesLB.Items.RemoveAt(index);
                

                writer = new StreamWriter
              ("C:\\Program Files\\Virasec, LLC\\WMS\\monitoredsites.txt", false);

                if (File.Exists("C:\\Program Files\\Virasec, LLC\\WMS\\monitoredsites.txt"))
                {
                    foreach (object li in monitoredSitesLB.Items)
                    {
                        writer.WriteLine(li.ToString());

                    }
                    writer.Close();
                }
           

          

           

           
           
                
        }

        protected void monitoredSitesLB_SelectedIndexChanged(object sender, EventArgs e)
        {
           
                
           
        }

       
  
    }
}