public async Task <IActionResult> Create(Mares mares)
        {
            if (ModelState.IsValid)
            {
                _db.Add(mares);
                await _db.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            return(View(mares));
        }
        public async Task <IActionResult> Edit(int id, Mares mares)
        {
            if (id != mares.Id)
            {
                return(NotFound());
            }
            if (ModelState.IsValid)
            {
                _db.Update(mares);
                await _db.SaveChangesAsync();

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