public GetDropdownValueResponse GetDropdownValue(GetDropdownValueRequest request)
        {
            GetDropdownValueResponse response = new GetDropdownValueResponse();
            Dropdown dropdown = dropdownRepository.FindBy(request.DropdownID, request.AccountId);

            if (dropdown == null)
            {
                response.Exception = GetDropdownvaluesNotFoundException();
            }
            else
            {
                DropdownViewModel dropdownViewModel = Mapper.Map <Dropdown, DropdownViewModel>(dropdown);
                response.DropdownValues = dropdownViewModel;
            }
            return(response);
        }