public ActionResult CadastrarColuna()
        {
            ViewData["Autores"] = new SelectList(usuarioFacade.PesquisarUsuario(null), "Codigo", "Nome");

            Coluna coluna = new Coluna()
            {
                Data = DateTime.Now
            };

            return View(coluna);
        }
 public ActionResult CadastrarColuna(Coluna coluna)
 {
     try
     {
         facade.SalvarColuna(coluna);
         return RedirectToAction("Index");
     }
     catch
     {
         ViewData["Autores"] = new SelectList(usuarioFacade.PesquisarUsuario(null), "Codigo", "Nome");
         return View(coluna);
     }
 }