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This is my demo using angularjs, for creating a service file, and adding service to a controller.
I have two problems with my demo:
<script src="HomeController.js"> before <script src="MyService.js"> I get this error,Error: [ng:areq] Argument 'HomeController' is not a function, got undefined
<script src="MyService.js"> before <script src="HomeController.js"> I get the following error,Error: [$injector:unpr] Unknown provider: MyServiceProvider <- MyService
My source:
File Index.html:
<!DOCTYPE html> <html > <head lang="en">…</head> <body ng-app="myApp"> … <div ng-controller="HomeController"> <div ng-repeat="item in hello">{{item.id + item.name}}</div> </div> <script src="Scripts/angular.js"></script> <script src="Scripts/angular-route.js"></script> <!-- App libs --> <script src="app/app.js"></script> <script src="app/services/MyService.js"></script> <script src="app/controllers/HomeController.js"></script> </body> </html> File HomeController.js:
(function(angular){ 'use strict'; var myApp = angular.module('myApp',[]); myApp.controller('HomeController',function($scope,MyService){ $scope.hello=[]; $scope.hello = MyService.getHello(); }); })(window.angular); File MyService.js:
(function(angular){ 'use strict'; var myApp = angular.module('myApp',[]); myApp.service('MyService', function () { var hello =[ {id:1,name:'cuong'}, {id:2,name:'nguyen'}]; this.getHello = function(){ return hello; }; }); })(window.angular); 
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This creates a new module/app:
var myApp = angular.module('myApp',[]); While this accesses an already created module (notice the omission of the second argument):
var myApp = angular.module('myApp'); Since you use the first approach on both scripts you are basically overriding the module you previously created.
On the second script being loaded, use var myApp = angular.module('myApp');.
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