public async Task <IActionResult> Edit(int id, [Bind("ID,name,phone,Group")] KarateKid karateKid, Groups groups)
        {
            var lol = ViewBag.ViewGroups;

            if (id != karateKid.ID)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(karateKid);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!KarateKidExists(karateKid.ID))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            return(View(karateKid));
        }
        public async Task <IActionResult> Create([Bind("ID,name,phone,Group")] KarateKid karateKid)
        {
            if (ModelState.IsValid)
            {
                _context.Add(karateKid);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            return(View(karateKid));
        }
        public async Task <IActionResult> Delete(int?id)
        {
            var GroupToRemove = _context.Groups.Where(x => x.ID == id).FirstOrDefault();

            KarateKid.Remove(GroupToRemove.groupName);
            if (id == null)
            {
                return(NotFound());
            }

            var groups = await _context.Groups
                         .FirstOrDefaultAsync(m => m.ID == id);

            if (groups == null)
            {
                return(NotFound());
            }

            return(View(groups));
        }