Write to section in ASP.NET MVC

WriteToSection.cs

public static IHtmlString PageHeading(this HtmlHelper html, Icon icon, string title, string subTitle)
{
    WebViewPage page = html.ViewDataContainer as WebViewPage;
    if (page != null)
    {
        page.DefineSection("Heading", () => {
            page.Write(MvcHtmlString.Create("My Text"));
        });
    }

    return new HtmlString(string.Empty);
}