public async Task <IActionResult> PostDinhMucNuoc([FromBody] DinhMucNuoc dinhmucnuoc, [FromRoute] int id)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }
            var user   = this.User.Identity.Name;
            var userId = Utilities.GetUserId(this.User);

            dinhmucnuoc.NgayNhap  = DateTime.Now;
            dinhmucnuoc.NguoiNhap = user;
            var checkten = await _context.DinhMucNuocs.SingleOrDefaultAsync(r => r.TenDinhMucNuoc == dinhmucnuoc.TenDinhMucNuoc && r.CongThucNuocId == id);

            if (checkten == null)
            {
                _context.DinhMucNuocs.Add(dinhmucnuoc);
                await _context.SaveChangesAsync();

                return(CreatedAtAction("Getdinhmucnuoc", new { id = dinhmucnuoc.DinhMucNuocId }, dinhmucnuoc));
            }
            else
            {
                var warn = new DinhMucNuoc();
                if (checkten != null)
                {
                    warn.TenDinhMucNuoc = "Exist";
                }
                return(Ok(warn));
            }
        }
        public async Task <IActionResult> PutDinhMucNuoc([FromRoute] int id, [FromBody] DinhMucNuoc dinhmucnuoc)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != dinhmucnuoc.DinhMucNuocId)
            {
                return(BadRequest());
            }
            var user   = this.User.Identity.Name;
            var userId = Utilities.GetUserId(this.User);

            dinhmucnuoc.NgaySua  = DateTime.Now;
            dinhmucnuoc.NguoiSua = user;
            var checkten = await _context.DinhMucNuocs.SingleOrDefaultAsync(r => r.TenDinhMucNuoc == dinhmucnuoc.TenDinhMucNuoc && r.DinhMucNuocId != id);

            if (checkten == null)
            {
                _context.Entry(dinhmucnuoc).State = EntityState.Modified;
                await _context.SaveChangesAsync();

                return(NoContent());
            }
            else
            {
                var warn = "";
                if (checkten != null)
                {
                    warn = "Exist";
                }
                return(Ok(warn));
            }
        }