uploaddataasync

i am using Webclient to upload data using Async call to a server, WebClient webClient = new WebClient(); webClient.UploadDataAsync(uri , "PUT", buffer, userToken); i've attached DatauploadProgress and DatauploadCompleted Events to appropriate callback functions // Upload Date Progress webClient.UploadProgressChanged += new UploadProgressChangedEventHandler(UploadProgressCallback); // Upload Date Progress void UploadProgressCallback(object sender, UploadProgressChangedEventArgs e) { // Magic goes here logger.writeToLog("Percentage =" + e.ProgressPercentage); } the e.ProgressPercentage always