Angular UI Grid Export to Excel/CSV and PDF external Button

<!doctype html>
<html ng-app="app">
  <head>
    <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.3/angular.js"></script>
    <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.3/angular-touch.js"></script>
    <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.3/angular-animate.js"></script>
    <script src="http://ui-grid.info/docs/grunt-scripts/csv.js"></script>
    <script src="http://ui-grid.info/docs/grunt-scripts/pdfmake.js"></script>
    <script src="http://ui-grid.info/docs/grunt-scripts/vfs_fonts.js"></script>
    <script src="http://ui-grid.info/release/ui-grid.js"></script>
    <link rel="stylesheet" href="http://ui-grid.info/release/ui-grid.css" type="text/css">
    <link rel="stylesheet" href="style.css" type="text/css">
  </head>
  <style type="text/css">
    
      .ui-grid-row {
  height: 50px;
}
.ui-grid-cell {
  height: 50px !important;
  line-height: 40px;
  border-color: #ffffff;
}
.ui-grid-row-header-cell {
  height: 50px ;
  line-height: 40px;
}

  </style>

  <body>

<div ng-controller="MainCtrl">
  <div ui-grid="gridOptions" ui-grid-selection ui-grid-exporter class="grid"></div>
  <button ng-click="exportCsv()">Excel</button>
   <button ng-click="exportPdf()">PDF</button>
</div>


    <script src="script.js"></script>
  </body>
</html>

var app = angular.module('app', ['ngAnimate', 'ngTouch', 'ui.grid', 'ui.grid.selection', 'ui.grid.exporter']);

app.controller('MainCtrl', ['$scope', '$http', 'uiGridExporterService', 'uiGridExporterConstants',  function ($scope, $http, uiGridExporterService, uiGridExporterConstants) {
  $scope.gridOptions = {
    columnDefs: [
      { field: 'name' },
      { field: 'gender', visible: false},
      { field: 'company' }
    ],
    enableGridMenu: false,
    enableSelectAll: true,
    exporterCsvFilename: 'myFile.csv',
    exporterCsvLinkElement: angular.element(document.querySelectorAll(".custom-csv-link-location")),
    onRegisterApi: function(gridApi){
      $scope.gridApi = gridApi;
    }
  };

  $http.get('https://cdn.rawgit.com/angular-ui/ui-grid.info/gh-pages/data/100.json')
  .success(function(data) {
    $scope.gridOptions.data = data;
  });
  
  $scope.exportPdf = function() {
    var grid = $scope.gridApi.grid;
    var rowTypes = uiGridExporterConstants.ALL;
    var colTypes = uiGridExporterConstants.ALL;
    uiGridExporterService.pdfExport(grid, rowTypes, colTypes);
  };
  
  $scope.exportCsv = function() {
    var grid = $scope.gridApi.grid;
    var rowTypes = uiGridExporterConstants.ALL;
    var colTypes = uiGridExporterConstants.ALL;
    uiGridExporterService.csvExport(grid, rowTypes, colTypes);
  };
}]);

.grid {
  width: 500px;
  height: 400px;
}