/// <summary>
        /// Get DocumentNo
        /// </summary>
        /// <returns>document no</returns>
        public new String GetDocumentNo()
        {
            MProject p = _issue.GetParent();

            if (p != null)
            {
                return(p.GetValue() + " #" + _issue.GetLine());
            }
            return("(" + _issue.Get_ID() + ")");
        }