Checking network status in C#

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Net.NetworkInformation;

namespace adi

{

    public partial class WebForm2 : System.Web.UI.Page

    {

        protected void Page_Load(object sender, EventArgs e)

        {

            bool networkUp = System.Net.NetworkInformation.NetworkInterface.GetIsNetworkAvailable();

          

        }

    }

}