protected void Session_End(Object sender, EventArgs e)
 {
     try
     {
         string id = Session["id_logeado"].ToString();
         Console.WriteLine("Finish");
         Controladoras.ControladoraRecursosHumanos controladoraRH = new Controladoras.ControladoraRecursosHumanos();
         controladoraRH.estadoLoggeado(id, "0");
         //Response.Redirect(Request.Url.GetLeftPart(UriPartial.Authority) + VirtualPathUtility.ToAbsolute("~\\Default.aspx"));
         //string id = HttpContext.Current.Session.SessionID;
     }
     catch (NullReferenceException nn)
     {
         Console.WriteLine("Referencia a null "+nn.ToString());
     }
 }