ext_GridPanel1_4

	//Record       
	var Human = Ext.data.Record.create([
	   {name: "Name", type: "string", mapping: "name"},
	   {name: "Sex", type: "string", mapping: "sex"},
	   {name: "Birthday", type: "string", mapping: "birthday"},
	   {name: "Education", type: "string", mapping: "edu"},
	   {name: "Memo", type: "string", mapping: "memo"}
	]);
	
	//Reader
	var reader = new Ext.data.JsonReader({}, Human);
	
	//store
	var store = new Ext.data.Store({
		proxy: proxy,
		reader: reader
	});
	store.load();
	//     dataIndex   Human    name       ，             。
    //             ，       GridPanel        GridPanel      
	//     GridPanel     ，      
	var grid = new Ext.grid.GridPanel({
		title: "    ",
		width: 600,
		autoHeight: true,
		cm: cm,
		store: store,
		renderTo: "a",
		autoExpandColumn: "memo" //    ，      
	});
	//    Ext.Panel        ，      autoExpandColumn  ，      ，    
	//       ，     ，autoExpandColumn          id   ，       ，”  “    
	//    ，    id  ，    
});