private void button2_Click(object sender, EventArgs e)
 {
     if (comboBoxIndicator.Text == "")
         return;
     AddressConfig addressConfig = new AddressConfig(id);
     addressConfig.ShowDialog();
 }
        private void button2_Click(object sender, EventArgs e)
        {
            if (comboBoxIndicator.Text == "")
            {
                return;
            }
            AddressConfig addressConfig = new AddressConfig(id);

            addressConfig.ShowDialog();
        }