private void cbChoseSpesialty_SelectedIndexChanged(object sender, EventArgs e) { ResetRadioButtons(); mcThisMonth.Enabled = false; RadioButtonsEnabledFalse(); using (var client = new HaServiceClient()) { var check = client.GetDoctorsBySpecialy(client.GetSpecialtyIdByName(cbChoseSpesialty.SelectedItem.ToString())); if (check.Length > 0) { cbChoseDoctor.DataSource = client.GetDoctorsBySpecialy(client.GetSpecialtyIdByName(cbChoseSpesialty.SelectedItem.ToString())); cbChoseDoctor.DisplayMember = "FirstName"; cbChoseDoctor.ValueMember = "DoctorId"; } else { cbChoseDoctor.Enabled = false; //mcThisMonth.Enabled = false; //RadioButtonsEnabledFalse(); } cbChoseDoctor.Enabled = true; } }