kendo ui angularjs 改变选项

<div ng-controller = 'MyCrl'>

　　<select kendo-drop-down = 'dropDowmList'   k-options = 'dropDownOptions' k-data-source = 'dataList'>  </select>

</div>

1. kendo-drop-down 的值必须设置的

2. dropDownOptions = {

　　dataSource: dataList

}

js改变下拉选项时用 

dropDownList.value('值');