public JsonResult FillUserCategory(decimal?level1Id, decimal?level2Id, decimal?level3Id, decimal?level4Id)
        {
            var data = _UserCategoryService.GetUserCategoryLevels(level1Id, level2Id, level3Id, level4Id).Select(x => new { id = x.Id, text = string.Format("{0}", x.Name) });

            return(Json(data, JsonRequestBehavior.AllowGet));
        }