Please check out http://joeriks.com/2013/03/06/displaytemplates-in-mvc-and-webpages-razor/

DynamicHtmlTemplates.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.WebPages;

namespace DynamicHtmlTemplates
{
    public class Templates : System.Dynamic.DynamicObject
    {
        private System.Web.WebPages.WebPageRenderingBase page;

        private string templatePath;

        public Templates(string templatePath = "")
        {
            this.page = System.Web.WebPages.WebPageContext.Current.Page;
            var defaultPath = System.IO.Path.GetDirectoryName(this.page.TemplateInfo.VirtualPath);
            
            if (templatePath == "") templatePath = defaultPath;
            if (!templatePath.Contains("~")) templatePath = defaultPath + "/" + templatePath;
            if (!templatePath.EndsWith("/")) templatePath += "/";

            this.templatePath = templatePath;

        }
        public dynamic AsDynamic()
        {
            return this;
        }
        public System.Web.WebPages.HelperResult Display(string templateName, object[] args)
        {
            if (templateName == "")
            {
                templateName = args[0].GetType().Name;
            }
            return page.RenderPage(templatePath + templateName + ".cshtml", args);
        }
        public System.Web.WebPages.HelperResult DisplayWith(string templateName, Func<object, HelperResult> itemTemplate)
        {
            return Display(templateName, new[] { itemTemplate });
        }
        public System.Web.WebPages.HelperResult DisplayWith(string templateName, object viewModel, Func<object, HelperResult> itemTemplate)
        {
            return Display(templateName, new[] { viewModel, itemTemplate });
        }
        public System.Web.WebPages.HelperResult DisplayWith(string templateName, object viewModel, Func<object, HelperResult> itemTemplate, Func<object, HelperResult> alternativeItemTemplate)
        {
            return Display(templateName, new[] { viewModel, itemTemplate, alternativeItemTemplate });
        }
        public System.Web.WebPages.HelperResult Display(object value)
        {
            var templateName = value.GetType().Name;
            return Display(templateName, new[] { value });
        }
        public static Func<object, HelperResult> ItemTemplate(Func<object, HelperResult> template) { return template; }

        public override bool TryInvokeMember(System.Dynamic.InvokeMemberBinder binder, object[] args, out object result)
        {
            if (binder.Name != "Display")
            {
                result = Display(binder.Name, args);
                return true;
            }
            if (args.Length == 1)
            {
                result = Display(args[0]);
                return true;
            }
            if (args.Length > 1)
            {
                result = Display((string)args[1], new[] { args[0] });
                return true;
            }
            result = "Invalid call";
            return false;
        }

    }
}