private void button1_Click(object sender, EventArgs e) { try { using (var btsSvc = new BizTalkWCF_AddSuffixService_RcvSuffixServiceClient()) { var result = btsSvc.SuffixService(new Root { IsAddSuffix = checkBox1.Checked, Name = textBox1.Text }); label1.Text = result.ResponseMessage; } } catch (Exception ex) { MessageBox.Show(String.Format("Oops - {0}", ex.Message)); } }