public async Task <IActionResult> Edit(int id, [Bind("RouterStandartId,RouterId,StandartId")] RouterStandart routerStandart)
        {
            if (id != routerStandart.RouterStandartId)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(routerStandart);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!RouterStandartExists(routerStandart.RouterStandartId))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            ViewData["RouterId"]   = new SelectList(_context.Router, "RouterId", "Name", routerStandart.RouterId);
            ViewData["StandartId"] = new SelectList(_context.Standart, "StandartId", "Standart1", routerStandart.StandartId);
            return(View(routerStandart));
        }
        public async Task <IActionResult> Create([Bind("RouterStandartId,RouterId,StandartId")] RouterStandart routerStandart)
        {
            if (ModelState.IsValid)
            {
                _context.Add(routerStandart);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            ViewData["RouterId"]   = new SelectList(_context.Router, "RouterId", "Name", routerStandart.RouterId);
            ViewData["StandartId"] = new SelectList(_context.Standart, "StandartId", "Standart1", routerStandart.StandartId);
            return(View(routerStandart));
        }