private async void LogibBtn_Click(object sender, RoutedEventArgs e)
{
var localSettings = Current.LocalSettings;
var loginSetting = localSettings.Values[loginSettingName];
if (loginSetting == null)
{
AuthServiceClient client = new AuthServiceClient();
var user = await client.LoginAsync(UserNameTb.Text, PasswordTb.Password);
await client.CloseAsync();
if (user == null)
{
ErrorTb.Text = "Invalid password or name.";
return;
}
Current.LocalSettings.Values[loginSettingName] = user.UserName;
}
this.Frame.Navigate(typeof(SettingsPage));
}