async void MapViewer_NavigationCompleted(WebView sender, WebViewNavigationCompletedEventArgs args) { navigationcompleted = true; var userdata = Util.UserProfileData; if (userdata != null) { await userVM.ShowUserInformation(userdata); } else { var message = "User data not found"; Util.HandleMessage(message, "User data not found, service seems to be down", "Error"); } }