system.net.webexception: The remote server returned an error: (530) Not logged in.

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C#

.NET

hi Guys ,

I am trying to uplaod the file into the FTP server , below is my code : i am getting error as"system.net.webexception: The remote server returned an error: (530) Not logged in."

if (fileupload.HasFile)
        {        //create the path to save the file to        

            string fileName = "/" + fileupload.FileName;

            //Is the file too big to upload?
            int fileSize = fileupload.PostedFile.ContentLength;
            string maxsize = ConfigurationManager.AppSettings["MaxFileSize"];
            bool sflag = Convert.ToBoolean(ConfigurationManager.AppSettings["RestrictFileSize"]);
            if (sflag)
            {
                if (fileSize > (Convert.ToInt32(maxsize) * 1048576))
                {
                    UploadStatusLabel.Text = "Filesize is too large. Maximum file size permitted is " + maxsize + "MB";
                }
                else
                {
                    ////save the file to our local path        
                    string foldername = string.Empty;
                    string ftpUser = string.Empty;
                    string ftpPassword = string.Empty;
                    foldername = ConfigurationManager.AppSettings["FilePath"];
                    ftpUser = ConfigurationManager.AppSettings["FTPUser"];
                    ftpPassword = ConfigurationManager.AppSettings["FTPPassword"];
                    string userdomain = ConfigurationManager.AppSettings["FTPDomain"];
                    string filename = fileupload.PostedFile.FileName;

                    FtpWebRequest request = (FtpWebRequest)FtpWebRequest.Create(new Uri(foldername)+ fileName);
                    request.Method = WebRequestMethods.Ftp.UploadFile;

                    // This example assumes the FTP site uses anonymous logon.
                    request.Credentials = new NetworkCredential(ftpUser.Normalize(), ftpPassword.Normalize(), userdomain.Normalize());
                    
                    // Copy the contents of the file to the request stream.
                    StreamReader sourceStream = new StreamReader(filename);
                    byte[] fileContents = Encoding.UTF8.GetBytes(sourceStream.ReadToEnd());
                    sourceStream.Close();
                    request.ContentLength = fileContents.Length;

                    Stream requestStream = request.GetRequestStream();
                    requestStream.Write(fileContents, 0, fileContents.Length);
                    requestStream.Close();

                    FtpWebResponse response = (FtpWebResponse)request.GetResponse();

                    Console.WriteLine("Upload File Complete, status {0}", response.StatusDescription);

                    response.Close();

                }