ASP.NET - How to Send sms

how to send sms in asp.net

Are you from India? then easiest way is use way2sms, just register there and refer this code

 string mbno, mseg, ckuser, ckpass;
    private HttpWebRequest req;
    private CookieContainer cookieCntr;
    private string strNewValue;
    public static string responseee;
    private HttpWebResponse response;


protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["id"] == null && Session["pw"] == null)
        {
            Server.Transfer("smslogin.aspx");
        }
        connect();
        
    }

 protected void btnSend_Click(object sender, EventArgs e)
    {       
        try
        {
            mbno = txtTo.Text;
            mseg = txtMessage.Text;
           
            sendSms(mbno, mseg);
            txtTo.Text = "";
            txtMessage.Text = "";
        }
        catch (Exception ex)
        {
            lblError.Text = ex.Message;
            lblError.Visible = true;
        }
    }
    public void connect()
    {
        ckuser = Session["id"].ToString();
        ckpass = Session["pw"].ToString();
      
        try
        {
            this.req = (HttpWebRequest)WebRequest.Create("http://wwwd.way2sms.com/auth.cl");
           
            this.req.CookieContainer = new CookieContainer();
            this.req.AllowAutoRedirect = false;
            this.req.Method = "POST";
            this.req.ContentType = "application/x-www-form-urlencoded";
            this.strNewValue = "username=" + ckuser + "&password=" + ckpass;
            this.req.ContentLength = this.strNewValue.Length;
            StreamWriter writer = new StreamWriter(this.req.GetRequestStream(), Encoding.ASCII);
            writer.Write(this.strNewValue);
            writer.Close();
            this.response = (HttpWebResponse)this.req.GetResponse();
            this.cookieCntr = this.req.CookieContainer;
            this.response.Close();
            this.req = (HttpWebRequest)WebRequest.Create("http://wwwd.way2sms.com//jsp/InstantSMS.jsp?val=0");
            this.req.CookieContainer = this.cookieCntr;
            this.req.Method = "GET";
            this.response = (HttpWebResponse)this.req.GetResponse();
            responseee = new StreamReader(this.response.GetResponseStream()).ReadToEnd();
            int index = Regex.Match(responseee, "custf").Index;
            responseee = responseee.Substring(index, 0x12);
            responseee = responseee.Replace("\"", "").Replace(">", "").Trim();
            this.response.Close();
          
            pnlsend.Visible = true;
            lblErrormsg.Text = "connected";
        }
        catch (Exception)
        {
            lblErrormsg.Text = "Error connecting to the server...";
            Session["error"] = "Error connecting to the server...";
            Server.Transfer("smslogin.aspx");


        }
    }
    public void sendSms(string mbno, string mseg)
    {
        if ((mbno != "") && (mseg != ""))
        {
            try
            {
                this.req = (HttpWebRequest)WebRequest.Create("http://wwwd.way2sms.com//FirstServletsms?custid=");
                this.req.AllowAutoRedirect = false;
                this.req.CookieContainer = this.cookieCntr;
                this.req.Method = "POST";
                this.req.ContentType = "application/x-www-form-urlencoded";
                this.strNewValue = "custid=undefined&HiddenAction=instantsms&Action=" + responseee + "&login=&pass=&MobNo=" + this.mbno + "&textArea=" + this.mseg;

                string msg = this.mseg;
                string mbeno = this.mbno;

                this.req.ContentLength = this.strNewValue.Length;
                StreamWriter writer = new StreamWriter(this.req.GetRequestStream(), Encoding.ASCII);
                writer.Write(this.strNewValue);
                writer.Close();
                this.response = (HttpWebResponse)this.req.GetResponse();

                this.response.Close();
                lblErrormsg.Text = "Message Sent..... " + mbeno + ": " + msg;
            }
            catch (Exception)
            {
                lblErrormsg.Text="Error Sending msg....check your connection...";
            }
        }
        else
        {
            lblErrormsg.Text = "Mob no or msg missing";
        }
    }

refer this for m,ore details and full code
http://www.dotnetspark.com/kb/1978-send-sms-from-asp-net-using-way2sms-account.aspx

you can use way2sms to send sms using asp.net what u need is way2sms username and password