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Code to send SMS in C#

Code Sample:

void Page_Load(Object Src, EventArgs E) 
   myPage.Text = readHtmlPage("");
private String readHtmlPage(string url)
       String result = "";
       String message = HttpUtility.UrlEncode("Hello world!");
       String strPost = "?user=9030888111&password=password&msg=" + message + "&sender=OPTINS" + "&mobile=mobnum" + "&type=1";
       StreamWriter myWriter = null;
       HttpWebRequest objRequest = (HttpWebRequest)WebRequest.Create(url);
       objRequest.Method = "POST";
       objRequest.ContentLength = Encoding.UTF8.GetByteCount(strPost);
       objRequest.ContentType = "application/x-www-form-urlencoded";

          myWriter = new StreamWriter(objRequest.GetRequestStream());

        catch (Exception e)
          return e.Message;

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

Please note that some of the above code has been supplied to Bulk SMS Gateway 
by clients. As such, accuracy is not guaranteed by Bulk SMS Gateway.