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POSending SMS for a bulk of users
 

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    <p>I want to send <code>SMS</code> to bulk of users(4000 user) so i put the following method on loop :</p> <pre><code>protected int SendSMS(string url) { // Now to Send Data. StreamWriter writer = null; StringBuilder postData = new StringBuilder(); Uri myUri = new Uri(url); postData.Append(HttpUtility.ParseQueryString(myUri.Query).Get("Username")); postData.Append(HttpUtility.ParseQueryString(myUri.Query).Get("Password")); postData.Append(HttpUtility.ParseQueryString(myUri.Query).Get("Sender")); postData.Append(HttpUtility.ParseQueryString(myUri.Query).Get("Recipients")); postData.Append(HttpUtility.ParseQueryString(myUri.Query).Get("MessageData")); string webpageContent = string.Empty; byte[] byteArray = Encoding.UTF8.GetBytes(postData.ToString()); HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url); webRequest.Method = "POST"; webRequest.ContentType = "application/x-www-form-urlencoded"; webRequest.ContentLength = webRequest.ContentLength = byteArray.Length; writer = new StreamWriter(webRequest.GetRequestStream()); try { using (Stream webpageStream = webRequest.GetRequestStream()) { webpageStream.Write(byteArray, 0, byteArray.Length); } using (HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse()) { using (StreamReader reader = new StreamReader(webResponse.GetResponseStream())) { webpageContent = reader.ReadToEnd(); //TODO:parse webpagecontent: iF response contains "OK" if (webpageContent.Contains("OK")) return 1; else return 0; } } //return 1; } catch (Exception ee) { ErrMapping.WriteLog(url); string error = ee.Message + "&lt;br&gt;&lt;br&gt;Stack Trace : " + ee.StackTrace; ErrMapping.WriteLog(error); return -1; } } </code></pre> <hr> <p>After a specific number of users like 65 user, no <code>sms</code> had been sent for the rest of users and</p> <p>I get the following exception :</p> <pre><code>Error Message:Thread was being aborted.&lt;br&gt;&lt;br&gt;Stack Trace : at System.Net.UnsafeNclNativeMethods.OSSOCK.recv(IntPtr socketHandle, Byte* pinnedBuffer, Int32 len, SocketFlags socketFlags) at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags, SocketError&amp; errorCode) at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags) at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size) at System.Net.PooledStream.Read(Byte[] buffer, Int32 offset, Int32 size) at System.Net.Connection.SyncRead(HttpWebRequest request, Boolean userRetrievedStream, Boolean probeRead) at System.Net.ConnectStream.ProcessWriteCallDone(ConnectionReturnResult returnResult) at System.Net.HttpWebRequest.CheckDeferredCallDone(ConnectStream stream) at System.Net.HttpWebRequest.GetResponse() at SendSMS_EmailUI.Frm_SMS_send.SendSMS(String url) </code></pre>
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    1. COSimply the Server aborted the Query, try to look if the Server is Highloaded when sending SMSs, Good luck!
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    2. COWho is the SMS provider? Could you also post the code for the loop?
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    3. CO@nmat : Simply i call the previous method in a for loop ( the number of users) whom i want to send the sms.
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