问基于其他多选下拉列表的多选下拉列表

EN

@Html.DropDownList("CompanyDropDown", new MultiSelectList(ViewBag.CompanyList,
         "COD_COMPANY", "DESCRIPTION", null), new
                {
                    multiple = "multiple",
                    @class = "multiselect",
                    onchange = "CompanyDropDownOnChange()"
                })


@Html.DropDownList("FlowDropDown", new MultiSelectList(ViewBag.ActiveFlow,
         "ID_FLOW", "DESCRIPTION", null), new
                {
                    multiple = "multiple",
                    @class = "multiselect",
                })

jQuery(function ($) {
    $("select").multiselect();
});   
function CompanyDropDownOnChange() {
    $("#FlowDropDown option[value=11]").css('display', 'none');
}