private async void btn_Save(object sender, RoutedEventArgs e) { currenMember.name = this.Name.Text; currenMember.link = this.Link.Text; currenMember.author = this.Author.Text; currenMember.thumbnail = this.Thumbnail.Text; currenMember.description = this.Description.Text; currenMember.singer = this.Singer.Text; string jsonMember = JsonConvert.SerializeObject(this.currenMember); Debug.WriteLine(jsonMember); string token = await DataHandle.ReadToken(); Debug.WriteLine(token); HttpClient httpClient = new HttpClient(); httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", token); var content = new StringContent(jsonMember, Encoding.UTF8, "application/json"); var response = httpClient.PostAsync(ServiceURL.API_SONG, content); if (response.Result.StatusCode == HttpStatusCode.Created) { var contents = await response.Result.Content.ReadAsStringAsync(); Debug.WriteLine(contents); Debug.WriteLine("Success"); } else { var contents = await response.Result.Content.ReadAsStringAsync(); Debug.WriteLine(contents); Debug.WriteLine(token); } }