/// <summary>
        /// Retrieves a <see cref="T:System.Web.UI.Design.DesignerDataSourceView"></see> object that is identified by the view name.
        /// </summary>
        /// <param name="viewName">The name of the view.</param>
        /// <returns>This implementation always returns null.</returns>
        public override DesignerDataSourceView GetView(string viewName)
        {
            if (_view == null)
            {
                _view = new RssDesignerDataSourceView(this, viewName);
            }

            return _view;
        }
        /// <summary>
        /// Retrieves a <see cref="T:System.Web.UI.Design.DesignerDataSourceView"></see> object that is identified by the view name.
        /// </summary>
        /// <param name="viewName">The name of the view.</param>
        /// <returns>This implementation always returns null.</returns>
        public override DesignerDataSourceView GetView(string viewName)
        {
            if (_view == null)
            {
                _view = new RssDesignerDataSourceView(this, viewName);
            }

            return(_view);
        }