namespace ASPNETByExample
{
    public class HelloPerson : System.Web.UI.Control
    {
        public string PersonName
        {
            get 
            {
                return ViewState["PersonName"].ToString();
            }
            set
            {
                ViewState["PersonName"] = value;
            }
        }
        protected override void Render(System.Web.UI.HtmlTextWriter htwOutput)
        {
            htwOutput.Write("Hello " + PersonName);
        }
    }
}