Unknow Provider with AngularJS -


i trying request jason file angularjs.i using yeoman. these 3 files.

in view folder:main.html

<div class="jumbotron">   choose category1  <div class="wrap" ng-controller="mainctrl"> <select ng-model="selectedvalue" ng-change="loaddata()" >   <option value="1">category 1</option>   <option value="2">category 2</option>   <option value="3">category 3</option>   <option value="4">category 4</option>   <option value="5">category 5</option> </select>    <div ng-show="selectedvalue != null" class="main">   <center><h2>results category  {{ selectedvalue }}</h2></center> <br><br>  </div>   <div  class="main"  >   <ul class="cloudlist">     <li class="service" ng-repeat="item in services" ng-click="select(item)">       <div class="info">          <h3>{{item.service_name}}</h3>         <b>{{item.status_page}}</b><br>         <b>is billed : {{item.is_billed.billing_term._identifier}}</b>         </div>     </li>   </ul>   <br> </div>  </div>

in controllers folder: main.js

'use strict';   angular.module('frontendapp') .controller('mainctrl', ['$scope', '$http','services', function ($scope, $http, services) {     $scope.loaddata = function () {         $scope.services = services.query();     };       $scope.select = function (item) {        // item here when service clicked     };   }]);

in services folder: services.js

'use strict';  angular.module('frontendapp').factory('services', function($resource) {   return $resource('/services/:serviceid', {     serviceid: '@_id'   }, {}); });

i error

error: [$injector:unpr] unknown provider: servicesprovider <- services <- mainctrl http://errors.angularjs.org/1.3.15/$injector/unpr?p0=servicesprovider%20%3c-%20services%20%3c-%20mainctrl minerr/<@http://localhost:9000

solution: using yeoman , forgot execute command yo angular:service services

try code in main.js

var module = angular.module('frontendapp', ['ngresource']);  module.factory('myservices', ['$resource', function($resource) {     return $resource('/services/:serviceid', {         serviceid: '@_id'     }, {}); }]);  module.controller('mainctrl', ['$scope', '$http','myservices', function ($scope, $http, myservices) {     $scope.loaddata = function () {         $scope.services = myservices.query();     }; }]);

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