namespace ASPNETByExample
{
    public class YesNoDropDownList : System.Web.UI.WebControls.DropDownList
    {
        public string Value 
        {
            get
            {
                return this.SelectedItem.Value.ToString();
            }

            set
            {
                this.Items.FindByValue(value).Selected = true;
            }
        }
        public YesNoDropDownList()
        {
            this.Items.Add("");
            this.Items.Add("No");
            this.Items.Add("Yes");
        }
    }
}