protected void Button2_Click(object sender, EventArgs e)
    {
        MemberBL memBL    = new MemberBL();
        string   new_pw   = FormsAuthentication.HashPasswordForStoringInConfigFile(memBL.new_pw(), "MD5");
        string   birthday = year.SelectedValue + "/" + month.SelectedValue + "/" + day.SelectedValue;

        if (memBL.forget_pw(AntiXss.HtmlEncode(new_pw), AntiXss.HtmlEncode(TextBox2.Text), birthday, AntiXss.HtmlEncode(TextBox3.Text)) > 0)
        {
            //寄送新密碼信件
            String content = "<p>親愛的" + TextBox2.Text + "會員您好</p><p>請記住您的新密碼</p><p>您的帳號:" + TextBox2.Text + "</p><p>您的新密碼:" + memBL.new_pw() + "</p><p>";
            memBL.send_mail(TextBox3.Text, content);
            Response.Redirect("~/Member/mem_forgetPwOK.aspx?mail=" + TextBox3.Text.Replace(TextBox3.Text.Substring(3, 4), "****"));
        }
        else
        {
            Response.Write("<script>alert('您輸入資料有錯誤!')</script>");
        }
    }