public JsonResult DeleteById(int tid)
        {
            StudentDAL dal = new StudentDAL();
            dal.RemoveById(tid);

            var obj = new
            {
                success = true,
                message = "Record with ID:"+tid+" has been removed successfully"
            };
            return Json(obj, JsonRequestBehavior.AllowGet);
        }
        public JsonResult SaveStudent(StudentDTO dto)
        {
            StudentDAL dal = new StudentDAL();
            dal.SaveStudent(dto);

            var obj = new
            {
                success = true,
                message = "Record has been saved successfully"
            };

            return Json(obj, JsonRequestBehavior.AllowGet);
        }
 public JsonResult GetById(int tid)
 {
     StudentDAL dal = new StudentDAL();
     var obj = dal.GetById(tid);
     return Json(obj, JsonRequestBehavior.AllowGet);
 }
 public JsonResult GetAll()
 {
     StudentDAL dal = new StudentDAL();
     var list = dal.GetAll();
     return Json(list, JsonRequestBehavior.AllowGet);
 }