为什么会报 e.data() 错误

 <div class="topjui-row">
        <div class="topjui-col-sm6">
            <label class="topjui-form-label">
                类型
            </label>
            <div class="topjui-input-block">
                <input type="text" id="filterClass" name="filterClass" data-toggle="topjui-combobox"
                       data-options="valueField:'key',textField:'value'
                       ,data:[{key:'filterStreet',value:'房源只有街道'},{key:'filterHa',value:'房源有小区有比同'},{key:'filterHaDist',value:'房源有小区无比同'}],required:true">
            </div>
        </div>
        <div class="topjui-col-sm6">
            <label class="topjui-form-label">
                交易类型
            </label>
            <div class="topjui-input-block">
                <input type="text" id="dealType" name="dealType" data-toggle="topjui-combobox"
                       data-options="valueField:'key',textField:'value',data:[{key:'sale',value:'出售'},{key:'lease',value:'出租'}],required:true">
            </div>
        </div>
    </div>
    <div class="topjui-row">
        <div class="topjui-col-sm6">
            <label class="topjui-form-label">
                用途
            </label>
            <div class="topjui-input-block">
                <input type="text" id="filterPropType" name="filterPropType" data-toggle="topjui-combobox"
                       data-options="textField:'value',valueField:'key',
                       data:[{key:'PropType',value:'标准类型',selected:true},{key:'BldgType',value:'建筑类型'},{key:'IndoStru',value:'室内结构'}],onChange:function(newValue,oldValue){
                        change(newValue);
                       }">
            </div>
        </div>
        <div class="topjui-col-sm6">
            <label class="topjui-form-label">
                详细
            </label>
            <div class="topjui-input-block">
                <input type="text" id='filtera' name="propType" data-toggle="topjui-combobox"
                       data-options="textField:'value',valueField:'key',required:true">
            </div>
        </div>
    </div>
    <div class="topjui-row">
        <div class="topjui-col-sm6">
            <label class="topjui-form-label">
                比同下限
            </label>
            <div class="topjui-input-block">
                <input type="text" id="unitPriceLow" name="unitPriceLow" data-toggle="topjui-textbox">
            </div>
        </div>
        <div class="topjui-col-sm6">
            <label class="topjui-form-label">
                比同上限
            </label>
            <div class="topjui-input-block">
                <input type="text" id="unitPriceHigh" name="unitPriceHigh" data-toggle="topjui-textbox">
            </div>
        </div>
    </div>
    <div class="topjui-row">
        <div class="topjui-col-sm6">
            <label class="topjui-form-label">
                比同有效性
            </label>
            <div class="topjui-input-block">
                <input type="text" id="unitPriceLimitEnable" name="unitPriceLimitEnable" data-toggle="topjui-combobox"
                       data-options="valueField:'key',textField:'value',data:[{key:true,value:'有效'},{key:false,value:'无效'}]">
            </div>
        </div>
        <div class="topjui-col-sm6">
            <label class="topjui-form-label">
                有效性
            </label>
            <div class="topjui-input-block">
                <input type="text" id="enable" name="enable" data-toggle="topjui-combobox"
                       data-options="valueField:'key',textField:'value',data:[{key:true,value:'有效'},{key:false,value:'无效'}]">
            </div>
        </div>
    </div>
    <div class="topjui-row">
        <div class="topjui-col-sm12">
            <label class="topjui-form-label">
                备注
            </label>
            <div class="topjui-input-block">
                <input type="text" name="description" data-toggle="topjui-textbox">
            </div>
        </div>
    </div>



 function change(a) {
        console.info(a);
        var url = _ctx + 'common/enum';
        switch (a) {
            case 'PropType':
                url = url + '/getPropType';
                break;
            case 'BldgType':
                url = url + '/getBldgType';
                break;
            case 'IndoStru':
                url = url + '/getStru';
                break;
            default:
                url = url + '/getPropType';
        }
        console.info(url);
        $('#filtera').iCombobox('reload', url);
    }