@model Cars.Web_New.Models.DropDownViewModel

@using (Ajax.BeginForm("SelectYear", "Home", new AjaxOptions()
{
    HttpMethod = "POST",
    OnSuccess = "displayData; UpdateModelsHiddenForms('SelectedCarYearId','year-input')"
    //OnSuccess = "UpdateModelsHiddenForms('SelectedModelId', 'model-input')"

}, new { id = "year-dropdown" }))
{
    @Html.DropDownListFor(
            m => m.SelectedCarYearId,
            new SelectList(Model.CarYears, "Id", "Year"),
                new { id = "year-input" }
        )
}


<script>

    $("#year-input").change(function () {
        $("#year-dropdown").submit();
    });


    function displayData(data) {
       // UpdateModelsHiddenForms();
    }
</script>