c# - Code trying to find ServiceAccountCredential.cs file while accessing Google Analytics using OAUTH 2.0 -

i trying access google analytics data ga:visits , ga:transactions using oauth 2.0 authentication. have followed following steps :

1. enabled google analytics api on https://code.google.com/apis/console/ website.also, created client id , saved .p12 key
2. the generated email id provided read , analyze access on analytics website.
3. i have created windows form application , downloaded nuget package using package command:- install-package google.apis.analytics.v3 references including google.apis,google.apis.analytics.v3,google.apis.auth,google.apis.auth.platformservices,google.apis.core,google.apis.platformservices added project

further, while accessing data facing error :-

locating source c:\code\google.com\google-api-dotnet-client\default\tools\google.apis.release\bin\debug\test\default\src\googleapis.auth.dotnet4\oauth2\serviceaccountcredential.cs

while following line of code run :

var credential = new serviceaccountcredential(new     serviceaccountcredential.initializer(serviceaccountemail)           {         scopes = new[] { analyticsservice.scope.analyticsreadonly }      }.fromcertificate(cert));    

could please me error. please find below code used :-

using system;   using system.collections.generic;   using system.componentmodel;   using system.data;   using system.drawing;   using system.linq;   using system.text;   using system.threading.tasks;   using system.windows.forms;   using google.apis.analytics.v3;   using system.security.cryptography.x509certificates;   using google.apis.auth.oauth2;   using google.apis.services;    namespace windowsformsapplication5   {       public partial class form1 : form       {           public form1()           {               initializecomponent();           }            private void form1_load(object sender, eventargs e)         {              string keyfilepath = "c:\\fetch ga data-348e7435108b.p12";             string serviceaccountemail= "xx@developer.gserviceaccount.com";                  string keypassword = "notasecret";             string websitecode = "8482xxxx";                  analyticsservice service = null;               //loading key file                  var certificate = new x509certificate2(keyfilepath, keypassword, x509keystorageflags.exportable);                //add scopes             var scopes =                  new string[] { analyticsservice.scope.analytics,analyticsservice.scope.analyticsedit,analyticsservice.scope.analyticsmanageusers,analyticsservice.scope.analyticsreadonly    };                     //create new serviceaccountcredential              var credential = new serviceaccountcredential(new serviceaccountcredential.initializer(serviceaccountemail)                  {                 //scopes = scopes                      scopes = new[] { analyticsservice.scope.analyticsreadonly }              }.fromcertificate(cert));                  //create service             service = new analyticsservice(new baseclientservice.initializer()                 {                     httpclientinitializer = credential                 });                dataresource.garesource.getrequest request = service.data.ga.get(                    "ga:" + websitecode, "2015-05-27", "2015-05-27","ga:visits");                  request.dimensions = "ga:year,ga:month,ga:day";                  var data = request.execute();                 }           } } 

i not sure got example not close how should using service account access google analytics api.

 string[] scopes =            new string[] {               analyticsservice.scope.analytics,                 // view , manage google analytics data              analyticsservice.scope.analyticsmanageusers};     // view google analytics data        string keyfilepath = @"c:\file.p12" ;    // found in developer console string serviceaccountemail = "xx@developer.gserviceaccount.com";  // found in developer console //loading key file var certificate = new x509certificate2(keyfilepath, "notasecret", x509keystorageflags.exportable); serviceaccountcredential credential = new serviceaccountcredential( new serviceaccountcredential.initializer(serviceaccountemail)                                                                   {                                                                    scopes = scopes                                                                  }.fromcertificate(certificate));   analyticsservice service = new analyticsservice(new baseclientservice.initializer()             {              httpclientinitializer = credential,              applicationname = "analytics api sample",             }); 

code ripped google analytics authentication c# tutorial series

tip service account setup

take service account email address google developer console, need give email address access our google analytics data. adding other user in admin section of google analytics website. add service account email address user @ account level must account level. enable service account access google analytics account in question. did mention must @ account level?