Multiple download file

Multiple Download example

this.downloadUpload = function (rowid) {
            var rowids = rowid ? [rowid] : res.Control.uploadOverview.jqGrid('getGridParam', 'selarrrow');
            $.each(rowids, function (ndx, rwd) {
                var downloadFrame = $("<iframe></iframe>");
                downloadFrame.attr("src", '@Url.Action("DownloadFile", "Upload")?uploadId=' + rwd);
                downloadFrame.on("onload", function() {
                    $(this).remove();
                });
                $("body").append(downloadFrame);
            });
            return false;
        };