Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: The best overloaded method match for 'string.IsNullOrEmpty(string)' has some invalid arguments
at CallSite.Target(Closure , CallSite , Type , Object )
at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1)
at ASP._Page_Views_Partials_TastingNotes_cshtml.Execute() in e:\root\net_malts_com18245\www\Views\Partials\TastingNotes.cshtml:line 30
at System.Web.WebPages.WebPageBase.ExecutePageHierarchy()
at System.Web.Mvc.WebViewPage.ExecutePageHierarchy()
at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage)
at Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer)
at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData)
at ASP._Page_Views_Page_cshtml.Execute() in e:\root\net_malts_com18245\www\Views\Page.cshtml:line 23