/// <summary>
        /// Get type of dual list items
        /// </summary>
        /// <returns></returns>
        public static IDualListItem AddDualListItems(int id, string displayText)
        {
            IDualListItem retVal = new SelectColumnsDualListItem();

            retVal.Id = id;
            retVal.DisplayText = displayText;

            return retVal;
        }
        /// <summary>
        /// Get type of dual list items
        /// </summary>
        /// <returns></returns>
        public static IDualListItem AddDualListItems(int id, string displayText)
        {
            IDualListItem retVal = new SelectColumnsDualListItem();

            retVal.Id          = id;
            retVal.DisplayText = displayText;

            return(retVal);
        }