$("#<%=lstCarBrand.ClientID%>").change(function () {
$("#<%=txtCarSeries.ClientID%>").val("");//清除文本框
$("#<%=txtCarSeries.ClientID%>").unautocomplete();//清除autocomplete
$("#<%=txtCarSeries.ClientID%>").autocomplete('Ajax/AjaxCusCarEssentialVersion.aspx', {//添加autocomplete
width: 200,
multiple: false,
matchContains: true,
extraParams: {//传递的参数
"CarBrand": function () {
return $("#<%=lstCarBrand.ClientID%>").val();
}
}
});
});