protected void BtnConvertClick(object sender, EventArgs e)
        {
            var docs = new ConvertDocumentsclass();
            var filelist = new ArrayList();
            foreach (ListItem item in chkItems.Items)
            {
                if (item.Selected)
                    filelist.Add(item.Text);
            }
            docs.SourceLibrary = ddlSourceLists.SelectedValue;
            docs.DestinationLibrary = ddlTargetLists.SelectedValue;

            _jobId = docs.ConvertDocuments(SPContext.Current.Site, SPContext.Current.Web, filelist, (ConvertDocumentsclass.DocSaveFormat)Enum.Parse(typeof(ConvertDocumentsclass.DocSaveFormat), ddlTypes.SelectedValue), (ConvertDocumentsclass.DocSaveBehaviour)Enum.Parse(typeof(ConvertDocumentsclass.DocSaveBehaviour), ddlOverWrite.SelectedValue));
            ShowResult(_jobId);
        }
        private void ShowResult(Guid jobId)
        {
            var docs = new ConvertDocumentsclass();

               // lblResult.Text = DateTime.Now.ToString() + " - " + docs.GetResult(jobId);

            lblResult.Text = DateTime.Now.ToString(CultureInfo.InvariantCulture) + " - " + docs.GetResult(jobId);
        }