public IHttpActionResult InquirySearch(string search, string sort, bool? status, string type)
        {
            try
            {
                InquiryRepository repo = new InquiryRepository();
                InquiryTypeRepository typeRepo = new InquiryTypeRepository();

                InquiryFilterCollectionViewModel model = new InquiryFilterCollectionViewModel();

                model.inquiries = repo.GetList(search, sort, status, type);
                model.types = typeRepo.GetList();

                return Ok(model);
            }
            catch (Exception ex)
            {
                return BadRequest(ex.Message);
            }
        }