public async Task <ActionResult> Put(int seq, [FromBody] ClassQnaModel classqnaes)
        {
            classqnaes.class_qna_seq = seq;
            await _class_qna.Update(classqnaes);

            return(Ok());
        }
        public async Task <ActionResult> Post([FromBody] ClassQnaModel classqnaes)
        {
            classqnaes.reg_dt = DateTime.Now;
            classqnaes.upd_dt = DateTime.Now;
            await _class_qna.Add(classqnaes);

            return(Ok());
        }
        public async Task <ActionResult> Delete(int seq)
        {
            ClassQnaModel classqnaes = new ClassQnaModel
            {
                class_qna_seq = seq
            };
            await _class_qna.Delete(classqnaes);

            return(Ok());
        }
        public async Task Update(ClassQnaModel classQnaModel)
        {
            _context.Entry(classQnaModel).Property(x => x.class_seq).IsModified  = true;
            _context.Entry(classQnaModel).Property(x => x.parent_seq).IsModified = true;
            _context.Entry(classQnaModel).Property(x => x.title).IsModified      = true;
            _context.Entry(classQnaModel).Property(x => x.content).IsModified    = true;
            _context.Entry(classQnaModel).Property(x => x.reply).IsModified      = true;
            _context.Entry(classQnaModel).Property(x => x.reg_user).IsModified   = true;
            _context.Entry(classQnaModel).Property(x => x.reg_dt).IsModified     = true;
            _context.Entry(classQnaModel).Property(x => x.upd_user).IsModified   = true;
            _context.Entry(classQnaModel).Property(x => x.upd_dt).IsModified     = true;

            await _context.SaveChangesAsync();
        }