        [Bindable(true)]
        [Category("Appearance")]
        [DefaultValue("Enter Value")]
        [Localizable(true)]
        [Themeable(false)]
        public string HeaderText
        {
            get
            {
                String s = (String)ViewState["HeaderText"];
                return ((s == null) ? String.Empty : s);
            }

            set
            {
                ViewState["HeaderText"] = value;
            }
        }
