Use the rest Webservice

using System.Text;

using System.Net;

using System.IO;

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

{

protected void Page_Load(object sender, EventArgs e)

{

}

protected void btnSend_Click(object sender, EventArgs e)

{

string parameter="a/b";

Uri address = new Uri("website Address" + parameter);

HttpWebRequest request = WebRequest.Create(address) as HttpWebRequest;

request.Method = "POST";

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

using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)

{

StreamReader reader = new StreamReader(response.GetResponseStream());

//Response.Write(reader.ReadLine());

lblMessage.Text = reader.ReadLine();

lblMessage.Visible = true;

}

}

}