/// <summary>
        /// Save email in database
        /// </summary>
        /// <param name="subject">suject of email</param>
        /// <param name="mailTO">mail to list, separated by commas</param>
        /// <param name="MailCC">mail to cc list, separated by commas</param>
        /// <param name="body">mail body</param>
        /// <param name="userid">user id sending this email</param>
        /// <returns>int, newly created email record id in database</returns>
        public int SaveEmail(string subject, string mailTO, string MailCC, string body, int userid)
        {
            DAL_TRV_Request TRequest = new DAL_TRV_Request();

            try { return(TRequest.Save_Email(subject, mailTO, MailCC, body, userid)); }
            catch { throw; }
        }