ASP.NET - HtmlEncode

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        Label1.Text = "Ovo je <b>sada</b> ASP.NET";
        Label2.Text = Server.HtmlEncode("Ovo je <b>sada</b> ASP.NET");
    }
}