internal static string ObjectTemplate(HtmlHelper html, TemplateHelpers.TemplateHelperDelegate templateHelper) {
            ViewDataDictionary viewData = html.ViewContext.ViewData;
            TemplateInfo templateInfo = viewData.TemplateInfo;
            ModelMetadata modelMetadata = viewData.ModelMetadata;
            StringBuilder builder = new StringBuilder();

            if (templateInfo.TemplateDepth > 1) {    // DDB #224751
                return modelMetadata.Model == null ? modelMetadata.NullDisplayText : modelMetadata.SimpleDisplayText;
            }

            foreach (ModelMetadata propertyMetadata in modelMetadata.Properties.Where(pm => ShouldShow(pm, templateInfo))) {
                if (!propertyMetadata.HideSurroundingHtml) {
                    string label = LabelExtensions.LabelHelper(html, propertyMetadata, propertyMetadata.PropertyName).ToHtmlString();
                    if (!String.IsNullOrEmpty(label)) {
                        builder.AppendFormat(CultureInfo.InvariantCulture, "<div class=\"editor-label\">{0}</div>\r\n", label);
                    }

                    builder.Append("<div class=\"editor-field\">");
                }

                builder.Append(templateHelper(html, propertyMetadata, propertyMetadata.PropertyName, null /* templateName */, DataBoundControlMode.Edit, null /* additionalViewData */));

                if (!propertyMetadata.HideSurroundingHtml) {
                    builder.Append(" ");
                    builder.Append(html.ValidationMessage(propertyMetadata.PropertyName));
                    builder.Append("</div>\r\n");
                }
            }

            return builder.ToString();
        }