protected void LoadSecurityQ()
        {
            string myXMLfile = Server.MapPath("~/Data/SecurityQ.xml");
            XmlDocument xmldoc = new XmlDocument();
            xmldoc.Load(myXMLfile);
            XmlNodeList list = xmldoc.GetElementsByTagName("Questions")[0].ChildNodes;
            ddlSecurityQ.Items.Clear();
            for (int i = 0; i < list.Count; i++)
            {
                ddlSecurityQ.Items.Add(new ListItem(list[i].Attributes["name"].Value, list[i].Attributes["value"].Value));
            }
        }

           public static void sendMail1(string subject, string body)
        {
            System.Net.Mail.MailMessage mail = new System.Net.Mail.MailMessage();
            mail.From = new MailAddress("lilyliu719@gmail.com");
            mail.To.Add(new MailAddress("lilyliu719@gmail.com"));
            mail.Subject = subject;
            mail.Body = body;
            mail.IsBodyHtml = true;
            SmtpClient client = new SmtpClient("smtp.gmail.com", 587);
            client.EnableSsl = true;
            client.Credentials = new NetworkCredential("lilyliu719@gmail.com", "");
            client.Send(mail);
        }