I need help asap

C#
        public IActionResult Update(Guid id)
        {
            var Find = _db.Students.FirstOrDefault(x => x.Id == id);
            return View(Find);
        }
        [HttpPost]
        public IActionResult Update(Student st)
        {
            _db.Students.Update(st);
            _db.SaveChanges();
            return RedirectToAction("List");
        }
        public IActionResult Delete(Guid id)
        {
            var Find = _db.Students.FirstOrDefault(x => x.Id == id);
            _db.Students.Remove(Find);
            _db.SaveChanges();
            return RedirectToAction("List");
        }

C#
        public IActionResult Update(Guid id)
        {
            var Find = _db.Students.FirstOrDefault(x => x.Id == id);
            return View(Find);
        }
        [HttpPost]
        public IActionResult Update(Student st)
        {
            _db.Students.Update(st);
            _db.SaveChanges();
            return RedirectToAction("List");
        }
        public IActionResult Delete(Guid id)
        {
            var Find = _db.Students.FirstOrDefault(x => x.Id == id);
            _db.Students.Remove(Find);
            _db.SaveChanges();
            return RedirectToAction("List");
        }