gistfile1.cs

public class SimpleHelper : System.Web.WebPages.HelperPage
{
    public static new WebViewPage Page
    {
        get { return (WebViewPage)WebPageContext.Current.Page; }
    }

    public static new HtmlHelper Html
    {
        get { return Page.Html; }
    }
}

gistfile2.html

@using Simple.Web.Mvc
@inherits SimpleHelper
@helper PageTitle(string title, string description)
{
    <div class="form-title">
        <h2>@title</h2>
        <p>@description</p>
    </div>
    @Html.SimpleValidationSummary("Error during processing.")
    
    <div class="auto-hide">
        @Page.ViewData.NoticeSuccess()
        @Page.ViewData.NoticeError()
        @Page.TempData.NoticeSuccess()
        @Page.TempData.NoticeError()
    </div>
}