public override string XGetDesignTimeHtml()
{
StringWriter writer = new StringWriter(CultureInfo.CurrentCulture);
HtmlTextWriter htmlWriter = new HtmlTextWriter(writer);
Radio c = (Radio)this.Control;
object[] args = new object[7];
args[0] = c.ClientID;
args[1] = c.Checked.ToString().ToLower();
args[5] = c.StyleSpec;
args[6] = "x-form-radio x-form-field " + c.Cls;
LiteralControl ctrl = new LiteralControl(string.Format(this.Html, args));
ctrl.RenderControl(htmlWriter);
return writer.ToString();
}