public async Task <IActionResult> OnGetAsync(int?id)
        {
            if (id == null)
            {
                return(NotFound());
            }

            Number_Result = await _context.Number_Result.FirstOrDefaultAsync(m => m.Id == id);

            if (Number_Result == null)
            {
                return(NotFound());
            }
            return(Page());
        }
        public async Task <IActionResult> OnPostAsync(int?id)
        {
            if (id == null)
            {
                return(NotFound());
            }

            Number_Result = await _context.Number_Result.FindAsync(id);

            if (Number_Result != null)
            {
                _context.Number_Result.Remove(Number_Result);
                await _context.SaveChangesAsync();
            }

            return(RedirectToPage("./Index"));
        }
        public IActionResult OnPost()
        {
            if (ModelState.IsValid)
            {
                Number_Result.Check(Number_Result.Number);
                Number_Result.Time = System.DateTime.Now;
                if (_signInManager.IsSignedIn(User))
                {
                    Number_Result.Owner = _userManager.GetUserName(User);
                }

                PrevNum.Add(Number_Result);

                HttpContext.Session.SetString("SessionNumber", JsonConvert.SerializeObject(PrevNum));

                _context.Number_Result.Add(Number_Result);
                _context.SaveChangesAsync();
            }
            return(Page());
        }