Used in: http://cacodaemon.de/index.php?id=16

Blog.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Mvc.Ajax;
using System.Web.Routing;
using MongoDB.Driver;
using MongoDB.Bson;

namespace Blog
{
	public class BlogController : Controller
	{
		//[OutputCache(Duration = 30, VaryByParam = "None")]
		public ActionResult Index ()
		{
			return View(Article.FindMany(new QueryDocument()));
		}
		
		public ActionResult ShowArticle (string id)
		{
			return View(Article.Find(id));
		}
		
		public ActionResult AddComment () 
		{
			string id = Request.Params.Get("Id");
			string autor = Request.Params.Get("Autor");
			string text = Request.Params.Get("Text");
			Article article;
			
			try
			{
				if ((article = Article.Find(id)) == null) 
				{
					return RedirectToAction("Index", "Blog");
				}
			}
			catch (FormatException exception) 
			{
				return RedirectToAction("Index", "Blog");
			}
			
			article = Article.Find(id);
			article.Comments.Add(new Comment() {
				Autor = autor,
				Text = text,
				Date = new BsonDateTime(DateTime.Now)
			});
			article.Save();
			
			return RedirectToAction("ShowArticle", "Blog", new RouteValueDictionary(new { id = id }));
		}
	}
}