// To protect from overposting attacks, enable the specific properties you want to bind to, for
        // more details, see https://aka.ms/RazorPagesCRUD.
        public async Task <IActionResult> OnPostAsync()
        {
            if (!ModelState.IsValid)
            {
                return(Page());
            }
            _context.Attach(Duvida).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!DuvidaExists(Duvida.ID))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(RedirectToPage("./Index"));
        }
        // To protect from overposting attacks, enable the specific properties you want to bind to, for
        // more details, see https://aka.ms/RazorPagesCRUD.
        public async Task <IActionResult> OnPostAsync()
        {
            if (!ModelState.IsValid)
            {
                return(Page());
            }
            if (_context.Curso.Where(S => S.ID == Curso.ID).Count() > 0)
            {
                StatusMessage = "Já existe um curso com o Id selecionado";
                return(Page());
            }
            _context.Curso.Add(Curso);

            await _context.SaveChangesAsync();

            return(RedirectToPage("./Index", new { id = 2 }));
        }