public async Task <IActionResult> Edit(string id, [Bind("BvdlMa,BvdlNoidung,BvdlLuotthich,BvdlMaqt,BvdlMadddl,BvdlMatt,BvdlMahinhanh,BvdlMabdg")] Baivietdulich baivietdulich)
        {
            if (id != baivietdulich.BvdlMa)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(baivietdulich);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!BaivietdulichExists(baivietdulich.BvdlMa))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            ViewData["BvdlMabdg"]     = new SelectList(_context.Baidanhgia, "BdgMa", "BdgMa", baivietdulich.BvdlMabdg);
            ViewData["BvdlMadddl"]    = new SelectList(_context.Diadiemdulich, "DddlMa", "DddlMa", baivietdulich.BvdlMadddl);
            ViewData["BvdlMahinhanh"] = new SelectList(_context.Hinhanh, "HaMa", "HaMa", baivietdulich.BvdlMahinhanh);
            ViewData["BvdlMaqt"]      = new SelectList(_context.Quantri, "QtMa", "QtMa", baivietdulich.BvdlMaqt);
            ViewData["BvdlMatt"]      = new SelectList(_context.Tinhthanh, "TtMa", "TtMa", baivietdulich.BvdlMatt);
            return(View(baivietdulich));
        }
        public async Task <IActionResult> Create([Bind("BvdlMa,BvdlNoidung,BvdlLuotthich,BvdlMaqt,BvdlMadddl,BvdlMatt,BvdlMahinhanh,BvdlMabdg")] Baivietdulich baivietdulich)
        {
            if (ModelState.IsValid)
            {
                _context.Add(baivietdulich);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            ViewData["BvdlMabdg"]     = new SelectList(_context.Baidanhgia, "BdgMa", "BdgMa", baivietdulich.BvdlMabdg);
            ViewData["BvdlMadddl"]    = new SelectList(_context.Diadiemdulich, "DddlMa", "DddlMa", baivietdulich.BvdlMadddl);
            ViewData["BvdlMahinhanh"] = new SelectList(_context.Hinhanh, "HaMa", "HaMa", baivietdulich.BvdlMahinhanh);
            ViewData["BvdlMaqt"]      = new SelectList(_context.Quantri, "QtMa", "QtMa", baivietdulich.BvdlMaqt);
            ViewData["BvdlMatt"]      = new SelectList(_context.Tinhthanh, "TtMa", "TtMa", baivietdulich.BvdlMatt);
            return(View(baivietdulich));
        }