public ActionResult list(string id, string query = null) { var data = new List <BatchQuizMap>(); if (!String.IsNullOrWhiteSpace(query)) { return(new JsonNetResult(new { aaData = data.Where(P => true).ToList() })); } else { data = _db.GetAllBatchQuizMappings(); } return(new JsonNetResult(new { aaData = data })); }