private IHtmlString GetHtmlFromUmbraco(string propertyAlias)
        {
            var html = _umbracoContent.GetPropertyValue <string>(propertyAlias);

            if (!String.IsNullOrEmpty(html))
            {
                html = _mediaUrlTransformer.ParseAndTransformMediaUrlsInHtml(html);
                html = _elibraryLinkConverter.ParseAndRewriteElibraryLinks(html);
            }
            return(new HtmlString(html));
        }