public async Task <IActionResult> Create([FromBody] LopHocPhanCreateRequest request)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }
            var ID_LopHocPhan = await _lopHocPhanService.Create(request);

            if (ID_LopHocPhan == null)
            {
                return(BadRequest());
            }

            var lopHocPhan = await _lopHocPhanService.GetById(ID_LopHocPhan);

            return(CreatedAtAction(nameof(GetById), new { id = ID_LopHocPhan }, lopHocPhan));
        }