private void btnSearch_Click(object sender, System.Windows.RoutedEventArgs e) { try { if (loggedIn) { AccendoSVC.ResearchOutputWCFClient proxy = new Accendo.AccendoSVC.ResearchOutputWCFClient(); proxy.GetOutputsCompleted += new EventHandler<Accendo.AccendoSVC.GetOutputsCompletedEventArgs>(proxy_GetOutputsCompleted); proxy.GetOutputsAsync(txtTitle.Text, txtAuthor.Text); } else txtMessage.Text = "Please login to search our database"; } catch { } }