mvc通过ajax传值lis实体类型

前台jquery
var dt = { 'student': [] };
            for (var i = 0; i < 3; i++) {
                dt.student.push({ name: "name", age: 18, sex: 1 });
            }
            $.ajax({
                url: '/DocumentApply/Add',
                type:'post',
                dataType:'json',
                data: dt,
                async: false,
                success: function (result) {

                }

            })

后台接受大类型
 [HttpPost]
        public JsonResult Add(List<Student> student)
        {
            return Json("");
        }