public partial class _Default : System.Web.UI.Page { static int counter = 0; private static readonly Object lockObj = new Object (); protected void Page_Load(object sender, EventArgs e) { ++counter; lock (lockObj) { Application["SiteCounter"] = counter; } Response.Write("This page is visited "+ counter.ToString() + " times"); Response.Write("since restart of IIS or this webapplication"); } }