Logout in ASP.Net C#

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

public partial class Logout : System.Web.UI.Page {
    protected void Page_Load(object sender, EventArgs e) {
        if (!Page.IsPostBack) {
            Session.Abandon();
            Session.Remove("username");
            Session.Remove("password");
            Response.Redirect("~/Login.aspx");
        }
    }
}