protected void b_Click(object sender, EventArgs e)
        {
            AppUser appUserObj = new AppUser();

            appUserObj.username = usernameTb.Text;
            appUserObj.pwd      = passwordTb.Text;
            String  pwdConfirm = ConfirmPwdTb.Text;
            Boolean isError    = false;

            if (!appUserObj.pwd.Equals(pwdConfirm))
            {
                confirmPwdError.Text = "Confirm Password did not match.";
                isError = true;
            }

            if (isError)
            {
                return;
            }
            AppDao daoObj = new AppDao();

            daoObj.updatedPassword(appUserObj);

            Session["FIRST_LOGIN"] = false;
            Response.Redirect("PageRedirection.aspx");
        }