I want to send sms through ASP.Net appliation

using System.Net;

using System.IO;

 

partial class demo : System.Web.UI.Page

{

    protected void Page_Load(object sender, System.EventArgs e)

    {

        SendSMS("18479790553", "ToNumber", "test");

    }

 

    public void SendSMS(string FromNumber, string ToNumber, string SMS)

    {

 

        string url = "http://www.sendandreceivesms.com/api/";

        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);

        request.Method = "POST";

        string postData = "FromNumber=" + FromNumber;

        postData += "&";

        postData += "ToNumber=" + ToNumber;

        postData += "&";

        postData += "SMS=" + SMS;

        byte[] byteArray = Encoding.UTF8.GetBytes(postData);

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

        request.Headers.Add("APIToken", "GET API TOKEN BY REGISTERING");

        request.ContentLength = byteArray.Length;

        Stream dataStream = request.GetRequestStream();

        dataStream.Write(byteArray, 0, byteArray.Length);

        dataStream.Close();

        WebResponse response = request.GetResponse();

        dataStream = response.GetResponseStream();

        StreamReader reader = new StreamReader(dataStream);

        string responseFromServer = reader.ReadToEnd();

        if ((string.IsNullOrEmpty(responseFromServer))) {

        //Label1.Text += "Nothing returned"

        } else {

            //Label1.Text += responseFromServer

        }

        reader.Close();

        dataStream.Close();

        response.Close();

    }

}

Nick S