Asp。净MVC绑定。得到列表>

I've got view:

我的观点:

    @using (Html.BeginForm("ProcessRoute", "Calculator"))
    {

            @Html.TextBox("CityArrival", null, new { @style = "width: 300px;" })
            @Html.TextBox("CityDeparture", null, new { @style = "width: 300px;" })
            @{ Html.RenderPartial("BusModelList", @Model.BusModels);  }      
            <input id="submit" type="submit" value="Поиск" />
    }
    @using (Html.Begin