摘要：解决表单加载初始值，自动选中单选按钮组的问题，今早才查到资料，原来ext3.1已经修正了这个问题，但是需要的是给组和里面的单选按钮都要设置同样的name属性，我就是没有设定group的name，就悲剧了，这样设置即可：Js代码{xtype:'radiogroup',fieldLabel:'AutoLayout',name:'rb-auto', id:'atype',items:[{boxLabel:'Item1',name:'rb-auto',inputValue:1},{boxLabel:' 阅读全文

摘要：Ext.getCmp('tabid').getUpdater().refresh();或者Ext.getCmp('tabid').getUpdater().update(...)具体看参数 阅读全文

摘要：GridView has a lot of improvements over the DataGrid but it still lacks some very important features. A recurring requirement not available in the GridView is to create groups and summaries. To create summaries we can easily code the RowDataBound event. Grouping is a more complex task, and involves 阅读全文