public JsonResult PoblarGrilla(DataTableAjaxPostModel model) { List <Alumno> lista = new List <Alumno>(); try { lista = AlumnoRepository.getAlumnosByIdPlanilla(model.param1); } catch { } return(Json(new { // this is what datatables wants sending back draw = model.draw, recordsTotal = lista.Count, recordsFiltered = lista.Count, data = lista })); }