public IHttpActionResult GetMarketingById(int?MarketingId)
        {
            var response   = new DataResponse <EntityMarketing>();
            var repository = new RepositoryMarketing();

            if (MarketingId.HasValue)
            {
                response = repository.GetMarketingById(MarketingId.Value, CurrentUserId, CurrentBusinessId);
            }
            else
            {
                response.Model = new EntityMarketing();
            }
            return(Ok <DataResponse>(response));
        }