Pass values from one domain to other domain

Page in Domain 1
protected void Button1_Click(object sender, EventArgs e)

{

    string remoteUrl = "http://localhost:54358/PostDataFromOneWebsiteToAnother/Page2_CS.aspx";

    string firstName = "Raghavendra";

    string lastName = "Aitha";

    ASCIIEncoding encoding = new ASCIIEncoding();

    string data = string.Format("FirstName={0}&LastName={1}", firstName, lastName);

    byte[] bytes = encoding.GetBytes(data);

    HttpWebRequest httpRequest = (HttpWebRequest)WebRequest.Create(remoteUrl);

    httpRequest.Method = "POST";

    httpRequest.ContentType = "application/x-www-form-urlencoded";

    httpRequest.ContentLength = bytes.Length;

    using (Stream stream = httpRequest.GetRequestStream())

    {

        stream.Write(bytes, 0, bytes.Length);

        stream.Close();

    }

}

 Page in Domain 2
protected void Page_Load(object sender, EventArgs e)
{
    if (Request.Form.Count > 0)
    {
        string firstName = Request.Form["FirstName"];
        string lastName = Request.Form["LastName"];
    }
}