public async Task <IActionResult> Create([Bind("country_id,name")] Country country)
        {
            if (ModelState.IsValid)
            {
                _context.Add(country);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            return(View(country));
        }
        public async Task <IActionResult> Create([Bind("Id,Name,info_hotline,world_category,year_formed")] Country country)
        {
            if (_context.Countries.Any(x => x.Name == country.Name))
            {
                ModelState.AddModelError("Name", "Name already in use!");
            }

            if (ModelState.IsValid)
            {
                _context.Add(country);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            return(View(country));
        }