/// <summary>Deletes the first tfoot.</summary>
        public void deleteTFoot()
        {
            HtmlElement e = tFoot;

            if (e != null)
            {
                e.remove();
            }
        }
        /// <summary>Deletes the first caption.</summary>
        public void deleteCaption()
        {
            HtmlElement e = caption;

            if (e != null)
            {
                e.remove();
            }
        }
        /// <summary>Deletes the first thead.</summary>
        public void deleteTHead()
        {
            HtmlElement e = tHead;

            if (e != null)
            {
                e.remove();
            }
        }