private void BindData()
        {
            using (IsolatedStorageFile storage = IsolatedStorageFile.GetUserStoreForApplication())
            {
                try
                {
                    ObservableCollection<Route> routes = new ObservableCollection<Route>();
                    IsolatedStorageFileStream location = new IsolatedStorageFileStream("favoriteRoutes.dat", System.IO.FileMode.Open, storage);
                    StreamReader sr = new StreamReader(location);
                    string content = sr.ReadToEnd();
                    string[] strRoutes = content.Split(';');
                    foreach(string strTempRoute in strRoutes)
                    {
                        Route route = new Route();
                        string[] strRoute = strTempRoute.Split(',');
                        if(strRoute[0] == WebService.GetCity())
                        {
                            route.StartStat = strRoute[1];
                            route.EndStat = strRoute[2];
                            route.Info = strTempRoute + ";";
                            routes.Add(route);
                        }
                    }
                    llsFavRoutes.ItemsSource = routes;
                    location.Dispose();
                }
                catch (Exception e1)
                {
                    Debug.WriteLine(e1.Message);
                }

            }
        }
        private void BindHistoryData()
        {
            using (IsolatedStorageFile storage = IsolatedStorageFile.GetUserStoreForApplication())
            {
                try
                {
                    ObservableCollection<Route> routes = new ObservableCollection<Route>();
                    if (storage.FileExists("HistoryRoutes.dat"))
                    {
                        IsolatedStorageFileStream location = new IsolatedStorageFileStream("HistoryRoutes.dat", System.IO.FileMode.Open, storage);
                        StreamReader sr = new StreamReader(location);
                        string content = sr.ReadToEnd();
                        sr.Close();
                        string[] strRoutes = content.Split(';');
                        foreach (string strTempRoute in strRoutes)
                        {
                            Route route = new Route();
                            string[] strRoute = strTempRoute.Split(',');
                            if (strRoute[0] == WebService.GetCity())
                            {
                                route.StartStat = strRoute[1];
                                route.EndStat = strRoute[2];
                                route.Info = strRoute[1] + "-" + strRoute[2];
                                routes.Add(route);
                            }
                        }
                        llsHistory.ItemsSource = routes;
                        tbkHistory.Visibility = Visibility.Visible;
                        btnClearHistory.Visibility = Visibility.Visible;
                        llsHistory.Visibility = Visibility.Visible;

                        location.Dispose();
                    }
                    else
                    {
                        tbkHistory.Visibility = Visibility.Collapsed;
                        btnClearHistory.Visibility = Visibility.Collapsed;
                        llsHistory.Visibility = Visibility.Collapsed;
                    }
                    
                }
                catch (Exception e1)
                {
                    Debug.WriteLine(e1.Message);
                }
            }
        }