You may encounter a problem in Yii TbExtendedGridView: TypeError: url is undefined When you click the header or filter on the grid, the solution is simple just add the following to ExtendedGridView. $this->widget(‘bootstrap.widgets.TbExtendedGridView’, array( … ajaxUrl’=> Yii::app()->request->getUrl(), …

This error will occur when make the 2nd time filter in the TbGridView / TbExtendedGridView after the 1st time filter with ‘no result found’. Solution: Open jquery.ba-bbq.js and goto line 257 and add this coding: if ( url == undefined ) url = window.location.href;