public JsonResult SearchField(string strSearch) { if (String.IsNullOrEmpty(strSearch)) { return(Json(new List <FPT_SP_CATA_SEARCH_MARC_FIELDS_Results>(), JsonRequestBehavior.AllowGet)); } else { List <FPT_SP_CATA_SEARCH_MARC_FIELDS_Results> listSearch = catalogueBusiness.FPT_SP_CATA_SEARCH_MARC_FIELDS(strSearch, (-1), 0, "", ""); return(Json(listSearch, JsonRequestBehavior.AllowGet)); } }