public void Check()
        {
            try
            {
                var req    = WebRequest.Create(CheckUri);
                var res    = req.GetResponse();
                var stream = res.GetResponseStream();
                var sr     = new StreamReader(stream);
                var body   = sr.ReadToEnd();
                sr.Close();
                stream.Close();

                var matches = _ipPattern.Matches(body);

                // Send these IP address matches in an email to me.
                var msgBody = new StringBuilder();
                msgBody.AppendLine("IP Addresses:");

                foreach (var match in matches)
                {
                    msgBody.AppendLine(match.ToString());
                }

                var msg  = new MailMessage(EmailFrom.ToString(), EmailTo.ToString(), EmailSubject, msgBody.ToString());
                var smtp = new SmtpClient();
                smtp.Send(msg);
            }
            catch (Exception ex)
            {
                EventLog.WriteEntry(Assembly.GetExecutingAssembly().FullName, string.Format("{0}\n\n{1}", ex.Message, ex.StackTrace), EventLogEntryType.Error);
            }
        }
    protected void Button1_Click(object sender, EventArgs e)
    {
        DataView dvieww;
        string   SMTP;
        string   BCC;
        string   EmailFrom;
        string   Password;

        dvieww    = (DataView)SqlDataSource8.Select(DataSourceSelectArguments.Empty);
        SMTP      = (string)dvieww.Table.Rows[0]["SMTP"];
        BCC       = (string)dvieww.Table.Rows[0]["BCC"];
        EmailFrom = (string)dvieww.Table.Rows[0]["EmailFrom"];
        Password  = (string)dvieww.Table.Rows[0]["Password"];


        MailMessage mail       = new MailMessage();
        SmtpClient  SmtpServer = new SmtpClient(SMTP.ToString());

        mail.From = new MailAddress(EmailFrom.ToString());
        //Email acpe = new Email();
        mail.To.Add(TextBox2.Text);
        mail.Bcc.Add(BCC.ToString());

        StreamReader reader   = new StreamReader(Server.MapPath("~/email/Contact.html"));
        string       readFile = reader.ReadToEnd();
        string       myString = "";

        myString = readFile;
        //string name = HttpUtility.UrlEncode(Encrypt(Session["UserName"].ToString().Trim()));
        //string technology = HttpUtility.UrlEncode(Encrypt(ddlTechnology.SelectedItem.Value));

        myString = myString.Replace("{#Name}", TextBox1.Text);
        myString = myString.Replace("{#Email}", TextBox2.Text);
        myString = myString.Replace("{#Message}", TextBox3.Text);
        //myString = myString.Replace("{#message}", TextBox4.Text);


        mail.Subject           = "New Contact on onlinehcs.com";
        mail.IsBodyHtml        = true;
        mail.Body              = myString.ToString();
        SmtpServer.Port        = 8889;
        SmtpServer.Credentials = new System.Net.NetworkCredential(EmailFrom.ToString(), Password.ToString());
        SmtpServer.EnableSsl   = false;
        object userState = mail;

        SmtpServer.SendCompleted += new SendCompletedEventHandler(SMTPClientForAsy.SmtpClient_OnCompleted);
        SmtpServer.SendAsync(mail, userState);

        TextBox1.Text = string.Empty;
        TextBox2.Text = string.Empty;
        TextBox3.Text = string.Empty;

        Label5.Text = "Submitted Successfully";
    }