Send SMS in asp.net c#

How to send  SMS in asp.net :
Samples:

public String SendSms(string Message,string MobileNo)
    {
        String result = "";
        if (ConfigurationManager.AppSettings["SmsFlag"] == "1")
        {
            DataView dvSmbcDetails = new DataView();
            dvSmbcDetails = objUser.GetSmsDetails();
            string SmsUserName = dvSmbcDetails[0]["SmsUserName"].ToString();
            string FromEmail = ConfigurationManager.AppSettings["FromEmail"];
            string SmsPassword = dvSmbcDetails[0]["SmsPassword"].ToString();
            string SmsFrom = dvSmbcDetails[0]["SmsFrom"].ToString();
            string SmsFlag = ConfigurationManager.AppSettings["SmsMode"];

            String strPost = "uname=" + SmsUserName + "&pword=" + SmsPassword + "&message=" + Message + "&from=" + SmsFrom + "&selectednums=" + MobileNo + "&info=" + SmsFlag + "";
            StreamWriter myWriter = null;
            HttpWebRequest objRequest = (HttpWebRequest)WebRequest.Create("http://www.txtlocal.com/sendsmspost.php");

            //add Proxy info if required
            //objRequest.Proxy = WebProxy.GetDefaultProxy();
            //objRequest.Proxy.Credentials = CredentialCache.DefaultCredentials; //uses logged on user
            //objRequest.Proxy.Credentials = new System.Net.NetworkCredential("UserName", "Password"); // Alternative - specify the user and password to use
            objRequest.Method = "POST";
            objRequest.ContentLength = Encoding.UTF8.GetByteCount(strPost);
            objRequest.ContentType = "application/XXXXXX";
            try
            {
                myWriter = new StreamWriter(objRequest.GetRequestStream());
                myWriter.Write(strPost);
            }
            catch (Exception e)
            {
                return e.Message;
            }
            finally
            {
                myWriter.Close();
            }

            HttpWebResponse objResponse = (HttpWebResponse)objRequest.GetResponse();
            using (StreamReader sr = new StreamReader(objResponse.GetResponseStream()))
            {
                result = sr.ReadToEnd();
                // Close and clean up the StreamReader
                sr.Close();
            }



            string[] str = result.Split('=');
            string credits = str[str.Length - 1].ToString();
            credits = credits.Substring(0, 3);
            //  TestMode=0<br>MessageReceived=Dear Tim, The details you entered for eligiblity check for FSM for your childrens Dayton,Nyle,Ameyal were not found in FSM database<br>MessageCount=1<br>From=XXX<br>CreditsAvailable=128.8<br>MessageLength=1<br>NumberContacts=1<br>CreditsRequired=0.9<br>CreditsRemaining=127.9
            //  string[] lines = Regex.Split(result, "<br>");
            //  string[] AvailableCredit = lines[8].Split('=');
            //  string[] AvailableCredit1 = AvailableCredit[1].Split('.');
            int BalanceAmount = Convert.ToInt32(credits);
            if (BalanceAmount <= 150)
            {
                LoginUser objLoginUser = new LoginUser();
                DataView dvGetAdminMailId = new DataView();
                dvGetAdminMailId = objLoginUser.GetAdminMailId();
                if (dvGetAdminMailId.Table.Rows.Count != 0)
                {
                    for (int k = 0; k < dvGetAdminMailId.Table.Rows.Count; k++)
                    {
                        StringBuilder sbSubject = new StringBuilder();
                        StringBuilder sbBody = new StringBuilder();
                        sbSubject.Append("SMS credit  status");
                        sbBody.Append(" <div> Your SMS credit less than:" + BalanceAmount + " amount <div>");
                        sbBody.Append("<br/>");
                        sbBody.Append(" <div> Thank you,  </div>");
                        sbBody.Append(" <div> XXXX</div>");
                        string ToEmail = dvGetAdminMailId[k]["EmailId"].ToString();
                        SendMail(FromEmail, ToEmail, sbSubject.ToString(), sbBody.ToString());
                    }
                }
            }
        }
        return result;
    }

//send email method was posted in my next blog
http://dotnet--solutions.blogspot.in/2012/12/send-email-in-aspnet-c.html