public List <SelectListItem> GetDocumentTypeSelectList()
        {
            List <SelectListItem> selectListItem   = null;
            List <DocumentType>   documentTypeList = _documentTypeRepository.GetDocumentTypeSelectList();

            return(selectListItem = documentTypeList != null?(from documentType in documentTypeList
                                                              select new SelectListItem
            {
                Text = documentType.Description,
                Value = documentType.Code.ToString(),
                Selected = false
            }).ToList():new List <SelectListItem>());
        }