"xtype" : "ColumnModel",
"header" : "By",
"width" : 100,
- "$ renderer" : "function(v) { return String.format('{0}', v ? v.format('Y-m-d H:i:s') : ''); }",
+ "$ renderer" : "function(v) { return String.format('{0}', v ); }",
"$ xns" : "Roo.grid",
"* prop" : "colModel[]",
"dataIndex" : "person_id_name"