private async void signBtn_Click(object sender, RoutedEventArgs e)
        {
            SignUpForm user = new SignUpForm() {  username = user_name_textbox.Text, password = Password_box_signin.Password };
            string jsonString = JsonConvert.SerializeObject(user);
            string result = await App.client.Login(jsonString.ToString());
            Debug.WriteLine(result);
            LoginResponse resultObject = JsonConvert.DeserializeObject<LoginResponse>(result);
            if(resultObject.data.token != null)
            {
                App.client.setToken(resultObject.data.token);
                App.client.USERID = resultObject.data._id;
                App.connectView.TOKEN = resultObject.data.token ;
                App._token = resultObject.data.token;
                App._userid = resultObject.data._id;
                App._username = resultObject.data.username;
                IsolatedStorageSettings.ApplicationSettings["TOKEN"] = resultObject.data.token;
                IsolatedStorageSettings.ApplicationSettings["USERID"] = resultObject.data._id;
                IsolatedStorageSettings.ApplicationSettings["USERNAME"] = resultObject.data.username;
                NavigationService.Navigate(new Uri("/MainPage.xaml", UriKind.Relative));
            }
            else
            {

            }
        }
        private async void Submit_click(object sender, RoutedEventArgs e)
        {
            bool result;

            if (Pass_box.Password != "" && EmailTxt.Text != "" && Pass_box.Password == Passconfirm_box.Password && UserTxt.Text.Length>=3)
            

                {
                    SignUpForm user = new SignUpForm() { username = UserTxt.Text, password = Pass_box.Password, country = CountryTxt.Text, email = EmailTxt.Text, phone = PhoneTxt.Text, gender = sex };
                    string jsonString = JsonConvert.SerializeObject(user);
                    //result = await App.client.SignUp(jsonString);
                    result = await App.client.SignUp(jsonString);
                    if (result)
                    {
                        //Message_Ts.Message = "OK!";
                        MessageBox.Show("You have signup an accout");
                        Thread.Sleep(2000);
                        //NavigationService.Navigate(new Uri("/LoginPage.xaml?username="******"&password="******"@"))
                {
                    //Message_Ts.Message = "Email incorect!";
                    MessageBox.Show("Email incorect");
                }
            else
                    if (Pass_box.Password != Passconfirm_box.Password)
                    {
                        MessageBox.Show("Password and Password confirm must be the Same");
                    }
                else if (UserTxt.Text.Length < 3) { MessageBox.Show("Username must be 3 - 32 characters"); }
                    else MessageBox.Show("Username & Password is require"); 

            }