/**

 *绑定运营商，设置默认值， 显示CMCC， 传值1

 */

$('#operatingId').combobox({

    url:'data_url',

    valueField:'id',

    textField:'name',

    mode:'remote',

    onLoadSuccess : function() {

        $("#operatingId").combobox("select", "CMCC");

        $("#operatingId").combobox("setValue", 1);

    }

});