private void tbPort_Changed(object sender, TextChangedEventArgs e)
{
int id = Convert.ToInt32(((TextBox)sender).Name.Replace("p", ""));
ServerEntity se = this.serverManger.getServerById(id);
se.setPortFromString(((TextBox)sender).Text);
Console.WriteLine("Modifica porta [" + ((TextBox)sender).Text + "] per " + se.name);
}
