private void rdShecan2_CheckedChanged(object sender, EventArgs e)
{
NetworkManagement nm = new NetworkManagement();
nm.setDNS(txtShecanDNS2.Text);
}
private void rdDefault_CheckedChanged(object sender, EventArgs e)
{
NetworkManagement nm = new NetworkManagement();
nm.setDNS(" ");
}
private void rdOpenDNS_CheckedChanged(object sender, EventArgs e)
{
NetworkManagement nm = new NetworkManagement();
nm.setDNS(txtOpen.Text);
}