ASP.NET

using System.Net;
using System.Security.Cryptography.X509Certificates;
        WService.WebService ws = new WService.WebService();
        ServicePointManager.ServerCertificateValidationCallback = delegate(Object sender1, X509Certificate cert, X509Chain chain, System.Net.Security.SslPolicyErrors errors) { return true; };
//I was a bit confused here on which certificate I should use so I have tried both service.cer and web1.cer but still got the same error
        X509Certificate x509 = X509Certificate.CreateFromCertFile(@"C:\Certificates\web1.cer");
        ws.ClientCertificates.Add(x509);
        ws.DoSomething();

...
    else 
    {
        clearTimeout(timer)
        //window.location.reload(true)
        window.location.replace("refresh.aspx")
    } 

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

namespace WebManager
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            Response.Redirect("~/Default.aspx");
        }
    }
}