private void btdDelete_Click(object sender, EventArgs e) { int selectedDoctorssCount = lvDoctors.SelectedItems.Count; if (selectedDoctorssCount != 0) { ListViewItem selectedDoctor = lvDoctors.SelectedItems[0]; //var ddd = selectedPatient.SubItems[10].Text; Guid selectedId = Guid.Parse(selectedDoctor.SubItems[5].Text); var confirmResult = MessageBox.Show("Are you sure to delete this Doctor?\nDoctor login " + selectedDoctor.SubItems[3].Text, "Confirm edit!", MessageBoxButtons.YesNo); if (confirmResult == DialogResult.Yes) { using (var client = new HaServiceClient()) { client.DeleteDoctorById(selectedId); } FillDoctorListView(); } else { //DialogResult = DialogResult.None; return; } } }