gistfile1.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Net;
using System.Web;

namespace SMSConsole
{
    class Csoft
    {
        #region CSoft class documentation
        /// <summary>
        /// This is an SMS/MMS provider class which acts as an interface for Connection Software's
        /// corresponding web services (see http://www.csoft.co.uk for details)
        /// </summary>
        #endregion
 
        private string userName;
        private string PIN;


        public Csoft()
        {
            userName = "<YOUR USERNAME GOES HERE>";
            PIN      = "<YOUR PIN GOES HERE>";
        }

        public void SendSMS(string message, string recipients)
        {
            WebClient client = new WebClient();

            System.Collections.Specialized.NameValueCollection queryParams = new System.Collections.Specialized.NameValueCollection();
            queryParams.Add("UN",userName);
            queryParams.Add("PIN",PIN);
            queryParams.Add("N",recipients);
            queryParams.Add("M",message);
            queryParams.Add("ResponseFormat","1");

            string uri = "https://www.csoft.co.uk/webservices/http/sendsms";

            client.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
            client.Encoding = System.Text.Encoding.UTF8;
            client.QueryString = queryParams;

            byte[] response = client.UploadValues(uri, queryParams);

            // Decode and display the response.
            Console.WriteLine("\nResponse received was :\n{0}", Encoding.ASCII.GetString(response));

        }
    }
}