public JsonResult _GetTaskExportedFiles(int taskId, int page = 1)
        {
            var exportedFiles = _service.GetPagedExportedFiles(taskId, page, 10);

            return(Json(new
            {
                Items = exportedFiles,
                CurrentPageIndex = exportedFiles.PageNumber,
                EndItemIndex = exportedFiles.Count,
                StartItemIndex = 1, //exportedFiles.1,
                TotalItemCount = exportedFiles.TotalItemCount,
                TotalPageCount = exportedFiles.PageCount,
                ModelId = taskId
            }, JsonRequestBehavior.AllowGet));
        }