I am not able to refresh this piechart div on click of that image using angularjs
div containing my image:
<div class="col-md-3 col-sm-12 col-xs-12">
                    <div class="panel panel-primary text-center no-boder blue">
                        <div class="panel-left pull-left blue">
                            <i class="fa fa fa-comments fa-5x"></i>
                        </div>
                        <div class="panel-right">
                            <h3>Assessment</h3>
                        </div>
                        <img src="assets/images/refresh.png" ng-click="refreshChart()"/>
                    </div>
                </div>
div i want to refresh:
  <div class="col-xs-6 col-md-3">
                    <div class="panel panel-default">
                        <div class="panel-body easypiechart-panel">
                          **<div class="easypiechart" id="easypiechart-blue" data-percent="82"><span class="percent">82%</span>**
                            </div>
                        </div>
                    </div>
                </div>
app.js code
var sampleApp1 = angular.module('sampleApp1', []);
sampleApp1.controller('dashctrl', function($scope) {
$scope.refreshChart = function (){
$('.chart').data('#easypiechart-blue').update(40);
};  
});
 
    