ext2 重新设置EditorGridPanel的大小出问题

Question

 var viewport = new Ext.Viewport({
            layout:'border',
            items:[
                new Ext.TabPanel({
                    region:'center',
                    deferredRender:false,
                    activeTab:0,
items:[grid]
                })
             ]
        });将grid放到 tabpanel 放在布局管理器中及可