public GridViewModel GetDepartmentSearchResult(SearchRequest request, int trustId)
        {
            var model = UserMapper.CreateDepartmentGridViewModel();

            var pageResult  = QueryListHelper.SortResults(GetAllDepartmentsByTrustId(trustId), request);
            var serviceRows = pageResult
                              .Where(p => string.IsNullOrEmpty(request.SearchText) || p.DepartmentName.StartsWith(request.SearchText, StringComparison.CurrentCultureIgnoreCase))
                              .Select(UserMapper.BindDepartmentGridData);

            model.Rows = serviceRows.ToPagedList(request.Page ?? 1, request.PageSize);

            return(model);
        }