Check Internet Connection Is Available Or Not Using Asp.Net C#

Check Internet Connection Is Available

Check Your PC or Laptop Internet Connection Available Or Not Using in Asp.Net C#.

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                               C# Coding

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Net;

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

{

    protected bool conn()

    {

        try

        {

            WebClient Wcl = new WebClient();

            var  con = Wcl.OpenWrite("http://dotnetdrizzles.blogspot.in");

           {

                return true;

           }

        }

        catch

        {

            return false;

        }

    }

    protected void Page_Load(object sender, EventArgs e)

    {

        bool con = conn();

        if (con == true)

        {

            Response.Write("<script>alert('Internet Connection Available')</script>");

        }

        else

        {

            Response.Write("<script>alert('Internet Connection Not Avail')</script>");

        }

    } 

}