public ActionResult CheckMedia(int id) { SecurityService.CreateAccessContext(); SurveyService srv = new SurveyService(Db); var form = FormService.GetSubmissionTemplates().Where(f => f.Id == id).FirstOrDefault(); if (form == null) { return(HttpNotFound("Not found")); } var errors = srv.CheckMedia(form); return(File(new System.Text.UTF8Encoding().GetBytes(string.Join("\r\n", errors)), "text/txt", "errors.txt")); }