Extjs求救啊！！


<html>
  <head>
 
  <link rel="stylesheet" type="text/css" href="../../ext-3.2.1/resources/css/ext-all.css"></link>
  <script  src="../../ext-3.2.1/adapter/ext/ext-base.js"></script>
  <script  src="../../ext-3.2.1/ext-all.js"></script>
  <script type="text/javascript" src="../../ext-3.2.1/src/locale/ext-lang-zh_CN.js"></script>   <script>
   Ext.onReady(function(){   var cm = new Ext.grid.ColumnModel([
    { header: "编号",dateIndex:"id"},
    { header: "姓名",dateIndex:"name"},
    { header: "描述",dateIndex:"descn"}
   
   ]); 
   var data=[
   ['1','name1','descn1'],
   ['2','name2','descn2'],
   ['3','name3','descn3'],
   ['4','name4','descn4'],
   ['5','name5','descn5']
   ];   var store = new Ext.data.Store({
   proxy: new Ext.data.MemoryProxy(data),
   reader: new Ext.data.ArrayReader({},[
   {name:'id'},
   {name:'name'},
   {name:'descn'}
   
      ])
   });   store.load();
   
   var grid = new Ext.grid.GridPanel({
      autoHeight : true,
  renderTo: 'grid',
  atore: store,
  cm:cm
   
   });  }
   
);   </script>
  </head>
   
  <body>
  <div id='grid'></div>  </body>
</html>

解决方案 »

  1.   

    store: store,
    拼错了<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <link rel="stylesheet" type="text/css" href="extjs/resources/css/ext-all.css" />
    <script type="text/javascript" src="extjs/adapter/ext/ext-base.js"></script>
    <script type="text/javascript" src="extjs/ext-all.js"></script>
    <script>
    Ext.onReady(function(){  var cm = new Ext.grid.ColumnModel([
        { header: "编号",dateIndex:"id"},
        { header: "姓名",dateIndex:"name"},
        { header: "描述",dateIndex:"descn"}
      ]);  
      var data=[
        ['1','name1','descn1'],
        ['2','name2','descn2'],
        ['3','name3','descn3'],
        ['4','name4','descn4'],
        ['5','name5','descn5']
      ];  var store = new Ext.data.Store({
        proxy: new Ext.data.MemoryProxy(data),
        reader: new Ext.data.ArrayReader({},[
          {name:'id'},
          {name:'name'},
          {name:'descn'}
        ])
      });  store.load();
        
      var grid = new Ext.grid.GridPanel({
        autoHeight : true,
        renderTo: 'grid',
        store: store,
        cm:cm
      });});
    </script>
    <div id="grid"></div>
      

  2.   

    你的问题是？记得firebug的调试功能，写js就得学会这些的。