Below is the code, I use select but at change event i got undefined value.
<table id="example1" class="table table-bordered table-striped" ng-table="tableParams" show-filter="isFiltersVisible">
<colgroup>
<col width="5%"/>
<col width="5%"/>
</colgroup>
<tr>
<td>
<select ng-change="changed()"
ng-model="regions"
ng-options="data.name for data in options">
</select>
</td>
<td colspan='3'>
<input type='button' name='go' value='Go' class='btn btn-primary' ng-click="performAction()">
</td>
</tr>
</table>