MVC3 / Razor表单提交与路线映射？

    routes.MapRoute(name: \"Home\", url: \"\", defaults: new { controller = \"Home\", action = \"Index\" });
    routes.MapRoute(name: \"CityStateResults\", url: \"{city}-{state}/{searchTerm}\", defaults: new { controller = \"Results\", action = \"SearchCityState\" });
    routes.MapRoute(name: \"CanadianProvinceResults\", url: \"CanadianProvinces/{state}/{searchTerm}\", defaults: new { controller = \"Results\", action = \"SearchCanadianProvinces\" });
    routes.MapRoute(name: \"AllCanadianResults\", url: \"Canada/{searchTerm}\", defaults: new { controller = \"Results\", action = \"SearchAllOfCanada\" });