Fixes #11947: Fixed `gridData` initialization in `yii.gridView.js`

framework/CHANGELOG.md

@@ -5,7 +5,7 @@ Yii Framework 2 Change Log
 ------------------------
 
 - Bug #11912: Fixed PostgreSQL Schema to support negative default values for integer/float/decimal columns (nsknewbie)
-
+- Bug #11947: Fixed `gridData` initialization in `yii.gridView.js` (pavlm)
 
 
 2.0.9 July 11, 2016

framework/assets/yii.gridView.js

@@ -147,7 +147,7 @@
         setSelectionColumn: function (options) {
             var $grid = $(this);
             var id = $(this).attr('id');
-            if (gridData.id === undefined) {
+            if (gridData[id] === undefined) {
                 gridData[id] = {};
             }
             gridData[id].selectionColumn = options.name;