protected void change_ServerClick(object sender, EventArgs e)
    {
        if (validateNum.Value == Session["CheckCode"].ToString())
        {
            MembershipCreateStatus status;
            Membership.CreateUser(userTxt.Value, password.Value, email.Value, question.Value, answer.Value, true, out status);
            if (status == MembershipCreateStatus.Success)
            {
                try
                {
                    EmailSend es = new EmailSend();
                    es.sendRegEmail(email.Value, userTxt.Value, password.Value);
                }
                catch (Exception ee)
                {
                }
                finally
                {
                    MultiView1.ActiveViewIndex = 3;
                    Address.InsertAddress(userTxt.Value);
                    Roles.AddUserToRole(userTxt.Value, "Member");
                }

            }
            if (status == MembershipCreateStatus.DuplicateEmail)
            {
                DuplicateEmailTxt.Text = "此Email已被注册,请选择填写Email";
            }
        }
        else
        {
            validateNumTxt.Text = "验证码输入有误,请重新输入验证码";
        }
    }