Uploading data using ftpwebrequest method in c#

[vnr]

hi, in my application i need to upload the data to the serevr using ftpwebrequest method .I need to upload 2 files one is a zip file (more than 10 MB) and other is a text file to the same server. when iam uploading total zip content is not getting uploaded to the serevr and its returning error like " The underlying connection was closed: An unexpected error occurred on a receive." So please can anybody help me where exactly the problem is.Is that the problem with the code or serevr settings. Thanks in advance Here is my code private static void Upload() { string[] strar = new string[] { sourcepath + ".zip", sourcepath + ".txt" }; foreach (string str in strar) { FileInfo fileInf = new FileInfo(str); string uri = "ftp://" + ftpServerIP + "/" + fileInf.Name; FtpWebRequest reqFTP; // Create FtpWebRequest object from the Uri provided reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP + "/" + fileInf.Name)); //Set the proxy to null to get around the "the requested ftp command is not supported when using http proxy" error reqFTP.Proxy = null; reqFTP.Timeout = 2000000000; // Provide the WebPermission Credintials reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword); // By default KeepAlive is true, where the control connection is not closed // after a command is executed. reqFTP.KeepAlive = false; // Specify the command to be executed. reqFTP.Method = WebRequestMethods.Ftp.UploadFile; // Specify the data transfer type. reqFTP.UseBinary = true; // Notify the server about the size of the uploaded file reqFTP.ContentLength = fileInf.Length; // The buffer size is set to 2kb int buffLength = 2048; byte[] buff = new byte[buffLength]; int contentLen; // Opens a file stream (System.IO.FileStream) to read the file to be uploaded FileStream fs = fileInf.OpenRead(); try { // Stream to which the file to be upload is written Stream strm = reqFTP.GetRequestStream(); //mydelegate deli