public ActionResult IsFileNameUnique(string filename, string selectedProfileId) { if (string.IsNullOrEmpty(selectedProfileId)) { return(new HttpStatusCodeResult(400, "bad request")); } var profileId = Convert.ToInt32(selectedProfileId); var fileNameHelper = new FileNameHelper(); return(new JsonResult { Data = fileNameHelper.IsUnique(filename, profileId), JsonRequestBehavior = JsonRequestBehavior.AllowGet }); }