AngularJS dropdown with button and label
I have code for button with label for dropdown.<div class="form-group col-xs-4">
<div class="btn-group btn-input clearfix">
<button id="yearModel" type="button" data-toggle="dropdown" class="btn btn-default dropdown-toggle form-control"><span data-bind="label">Select Year</span> <span class="caret"></span></button>
<ul id="yearModelList" class="dropdown-menu scrollable-menu">
<li ng-repeat="model in models| unique:'year' | orderBy:['year']"><a href="" ng-click="ShowModels(model.year)">{{model.year}}</a></li>
</ul>
</div>
</div>
but the query is
once click the dropdown it is showing list but when i select it is not selecting .
it is showing select item only.
Please suggest me ASAP.