public virtual PageTypeTemplateContext AddContent(TemplateContentType type, params string[] classNames)
        {
            var item = new TemplateUic
            {
                Key = type.Key,
                ClassNames = classNames
            };

            Page.Template.Content.Add(item);
            return this;
        }
 public virtual PageTypeTemplateContext AddContent(TemplateContentType type)
 {
     return AddContent(type, new[] { Page.Template.DefaultContentClassName });
 }