function getQuestionCategories(){
var requestUrl="<%=request.getContextPath()%>/customerService/getQuestionCategories";
$('#questioncategoryid').combobox({
url : requestUrl,
valueField : 'id',
textField : 'name',
groupField : 'parentname', //最上级显示名称
groupFormatter : function(group) {
return '<span style="color:black">' + group + '</span>';
}, formatter : function(row) {
var opts = $(this).combobox('options');
return " " + row[opts.textField];
}
}) }