public async Task <ActionResult <DetailCourse> > PostDetailCourse(DetailCourse detailCourse)
        {
            _context.DetailCourse.Add(detailCourse);
            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetDetailCourse", new { id = detailCourse.Id }, detailCourse));
        }
        public async Task <IActionResult> PutDetailCourse(int id, DetailCourse detailCourse)
        {
            if (id != detailCourse.Id)
            {
                return(BadRequest());
            }

            _context.Entry(detailCourse).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!DetailCourseExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(NoContent());
        }