public async void GetUserList()
        {
            //Global.GlobalData.otherUserList = new OtherUserList();
            //send get request
            //string result = null;
            var result = await Request.RequestToServer.sendGetRequest("itineraries/driver");

            RootObject root = JsonConvert.DeserializeObject <RootObject>(result);

            //xu ly json
            foreach (OtherUser i in root.otheruser)
            {
                OtherUser2 i2 = new OtherUser2
                {
                    driver_license     = i.driver_license,
                    driver_license_img = i.driver_license_img,
                    user_id            = i.user_id,
                    email      = i.email,
                    fullname   = i.fullname,
                    phone      = i.phone,
                    personalID = i.personalID,
                    //convert base64 to image
                    link_avatar    = ImageConvert.ImageConvert.convertBase64ToImage(i.link_avatar),
                    average_rating = i.average_rating
                };
                //Binding into other user list
                longlistViewOtherUser.ItemsSource = viewOtherUserList;
            }
        }
        private void longlistViewOtherUser_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            OtherUser2 selectedItem = (OtherUser2)longlistViewOtherUser.SelectedItem;

            MessageBox.Show("ss: " + selectedItem.user_id);
            //luu tru tam thoi
            //Global.GlobalData.viewOtherUserList = selectedItem;
            //navigate sang details
            NavigationService.Navigate(new Uri("/OtherUserDetails.xaml", UriKind.RelativeOrAbsolute));
        }