public App42StorageService()
 {
     storageService = App42API.BuildStorageService();
     
     if (Constant.sessionId != null && Constant.sessionId != "")
     {
         storageService.SetSessionId(Constant.sessionId);
     }
     if (Constant.adminKey != null && Constant.adminKey != "")
     {
         storageService.SetAdminKey(Constant.adminKey);
     }
     this.InitializeComponent();
     this.navigationHelper = new NavigationHelper(this);
     this.navigationHelper.LoadState += navigationHelper_LoadState;
 }