将RowExpander的template换成Gridpanel

   在RowExpander基础上 加入div id为record的id 再将grid render('record.id')     /*! * Ext JS Library 3.3.0 * Copyright(c) 2006-2010 Ext JS, Inc. * [email protected] * http://www.extjs.com/license */ Ext.ns('Ext.

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