public async Task<ActionResult> Create(Employee e)
    {

          if (ModelState.IsValid)
          {
            try
            {
              service.Save(e);
              RedirectToAction("Index");
            }
            catch (CorreoExisteException ex)
            {
              ModelState.AddModelError("email", ex.Message);
            }
            catch (CodigoExisteException ex)
            {
              ModelState.AddModelError("code", ex.Message);
            }


          }

          return View(e);
    }