Allowing XLS, CSV exports see CT#497

main/gradebook/lib/fe/displaygradebook.php

@@ -158,7 +158,7 @@ class DisplayGradebook
 		echo '<input type="hidden" name="export_format" value="xls">';
 		echo '</form>';
 
-		//$header .= '<a class="quiz_export_link" href="javascript: void(0);" onclick="javascript: document.form1a.submit();">'.Display::return_icon('csv.gif', get_lang('ExportAsCSV')).' '.get_lang('ExportAsCSV').'</a>';
+		$header .= '<a class="quiz_export_link" href="javascript: void(0);" onclick="javascript: document.form1a.submit();">'.Display::return_icon('csv.gif', get_lang('ExportAsCSV')).' '.get_lang('ExportAsCSV').'</a>';
 		$header .= '<a href="' . api_get_self() . '?print=&selectcat=' . $catobj->get_id() . '" target="_blank">'.Display::return_icon('printmgr.gif', get_lang('Print')).' ' . get_lang('Print') . '</a>';
 		$header .= '<a href="' . api_get_self() . '?exportpdf=&selectcat=' . $catobj->get_id() . '" >'.Display::return_icon('file_pdf.gif', get_lang('ExportToPDF')).' ' . get_lang('ExportToPDF') . '</a>';
 		//exportpdf