AjaxControlToolkit.AjaxFileUpload.UploadRequestProcessor.XhrComplete C# (CSharp) Method

            void XhrComplete()
            {
                var filesInQueue = int.Parse(Request.QueryString["queue"] ?? "0");
                var filesUploaded = int.Parse(Request.QueryString["uploaded"] ?? "0");
                var reason = Request.QueryString["reason"];

                AjaxFileUploadCompleteAllReason completeReason;
                switch(reason) {
                    case "done":
                        completeReason = AjaxFileUploadCompleteAllReason.Success;
                        break;

                    case "cancel":
                        completeReason = AjaxFileUploadCompleteAllReason.Canceled;
                        break;

                    default:
                        completeReason = AjaxFileUploadCompleteAllReason.Unknown;
                        break;
                }

                var args = new AjaxFileUploadCompleteAllEventArgs(filesInQueue, filesUploaded, completeReason);
                if(UploadCompleteAll != null)
                    UploadCompleteAll(this, args);
                Response.Write(new JavaScriptSerializer().Serialize(args));
            }