Extjs 3.4问题渲染工具栏中的按钮

use*_*183 1 javascript extjs

使用Extjs 3.4.我正在网格上创建一个顶部工具栏.

Ext.onReady(function() {
    var colModel = new Ext.grid.ColumnModel({
        columns: [{
            header: "Sottogruppo",dataIndex: 'some'
        }],
        defaults: {
            width: 50,
            sortable: false
        }
    });

    var saveButton = new Ext.Button({text: "Salva",id: 'save'});    

    var tbar = new Ext.Toolbar({items: [saveButton]});

    var grid = new Ext.grid.EditorGridPanel({
        colModel: colModel,
        tbar: tbar
    });
    grid.render("grid");
});
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chrome控制台显示以下错误:

Uncaught TypeError: Cannot read property 'getSortState' of undefined ../JS/ext-3.3.1/ext-all-debug.js
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想法?

解决方案 在网格配置中添加商店:

store: new Ext.data.ArrayStore()
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Sak*_*aki 5

您缺少必需的配置选项store.错误是相关的,网格代码试图找出商店的排序状态,但它没有定义.