public async Task <IActionResult> PutEstudianteView(int id, EstudianteView estudianteView)
        {
            if (id != estudianteView.IdLector)
            {
                return(BadRequest());
            }

            _context.Entry(estudianteView).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!EstudianteViewExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(NoContent());
        }
        public async Task <ActionResult <EstudianteView> > PostEstudianteView(EstudianteView estudianteView)
        {
            _context.EstudianteView.Add(estudianteView);
            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetEstudianteView", new { id = estudianteView.IdLector }, estudianteView));
        }
        public App()
        {
            InitializeComponent();
            var paagina = new EstudianteView();

            MainPage = new NavigationPage(paagina);
        }