public ActionResult CrearLista(FormCollection collection) { try { var model = new Especial(); TryUpdateModel(model, new string[] { "Nombre", "Descripcion", "FechaInicio", "FechaTermino", "Precio", "ProductoProductoId" }, collection.ToValueProvider()); repository.AddEspecial(model); return(RedirectToAction("Lista", new { id = model.Producto.ProductoId })); } catch { return(View()); } }