public async Task <IActionResult> Edit(int id, [Bind("Cliente3Id,Nome,Idade")] Cliente3 cliente3)
        {
            if (id != cliente3.Cliente3Id)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(cliente3);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!Cliente3Exists(cliente3.Cliente3Id))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            return(View(cliente3));
        }
        protected override ValidationResult IsValid(object value, ValidationContext validationContext)
        {
            Cliente3 cliente = (Cliente3)validationContext.ObjectInstance;

            if (cliente.Idade < 18)
            {
                return(new ValidationResult("Apenas Adultos podem se cadastrar"));
            }

            return(ValidationResult.Success);
        }
        public async Task <IActionResult> Create([Bind("Cliente3Id,Nome,Idade")] Cliente3 cliente3)
        {
            if (ModelState.IsValid)
            {
                _context.Add(cliente3);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            return(View(cliente3));
        }