[size=large]做一个小例子，我就是这里出现了问题，但是不知道怎么解决Ext.grid.Grid is not a constructor
(?)()()14.html （行 39）
DomHelper()()ext-all.js （行 7）
apply()()ext-base.js （行 7）
[Break on this error] ds: ds
给我点建议道理怎么改[/size]
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
4.html
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
<link rel="stylesheet" type="text/css" href="ext-3.0.0/resources/css/ext-all.css" />
<script type="text/javascript" src="ext-3.0.0/ext-base.js"></script>
<script type="text/javascript" src="ext-3.0.0/ext-all.js"></script>
<script type="text/javascript">
Ext.onReady(function(){
var cm = new Ext.grid.ColumnModel([
{header:'编号',dataIndex:'id'},
{header:'名称',dataIndex:'name'},
{header:'描述',dataIndex:'descn'}
]);
var data = [
['1','name1','descn1'],
['2','name2','descn2'],
['3','name3','descn3'],
['4','name4','descn4'],
['5','name5','descn5']
];
var ds = new Ext.data.Store({
proxy: new Ext.data.MemoryProxy(data),
reader: new Ext.data.ArrayReader({}, [
{name: 'id'},
{name: 'name'},
{name: 'descn'}
])
});
ds.load();
var grid = new Ext.grid.Grid('grid', {
cm: cm,
ds: ds
});
grid.render();
});
</script>
