private void button3_Click(object sender, EventArgs e) { listEpisodes.Items.Clear(); var PodcastID = listPodcast.SelectedItems[0].SubItems[0].Text; var podcast = service.Get(int.Parse(PodcastID)); //var test = podcast.Items.First().Title.Text; foreach (var p in podcast.Items) { listEpisodes.Items.Add(p.Name); } }