Add js checks in multiple files if data is undefined

Signed-off-by: Atul Pratap Singh <atulpratapsingh05@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/js/tbl_chart.js b/js/tbl_chart.js
index 2912074568..d945df6f39 100644
--- a/js/tbl_chart.js
+++ b/js/tbl_chart.js
@@ -330,7 +330,7 @@ $("#tblchartform").live('submit', function (event) {
     PMA_prepareForAjaxRequest($form);
 
     $.post($form.attr('action'), $form.serialize(), function (data) {
-        if (data.success === true) {
+        if (typeof data !== 'undefined' && data.success === true) {
             $('.success').fadeOut();
             if (typeof data.chartData != 'undefined') {
                 chart_data = jQuery.parseJSON(data.chartData);