can you fix my code
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Build CRUD DataGrid with jQuery EasyUI - jQuery EasyUI Demo</title>
<link rel="stylesheet" type="text/css" href="css/easyui.css">
<link rel="stylesheet" type="text/css" href="css/icon.css">
<link rel="stylesheet" type="text/css" href="css/demo.css">
<script type="text/javascript" src="js/jquery-1.6.min.js"></script>
<script type="text/javascript" src="js/jquery.easyui.min.js"></script>
<script type="text/javascript" src="js/jquery.edatagrid.js"></script>
</head>
<body>
<h2>CRUD DataGrid</h2>
<p>Double click the row to begin editing.</p>
<table id="dg" title="My Users" style="width:100%;height:400"
toolbar="#toolbar" pagination="false" idField="id"
rownumbers="true" fitColumns="true" singleSelect="true">
<thead>
<tr>
<th field="firstname" width="50" editor="{type:'validatebox',options:{required:true}}">First Name</th>
<th field="lastname" width="50" editor="{type:'validatebox',options:{required:true}}">Last Name</th>
<th field="phone" width="50" editor="text">Phone</th>
<th field="email" width="50" editor="{type:'validatebox',options:{validType:'number'}}">Email</th>
</tr>
</thead>
</table>
<div id="toolbar">
<a href="javascript:void(0)" class="easyui-linkbutton" iconCls="icon-add" plain="true" onclick="javascript:$('#dg').edatagrid('addRow')">New</a>
<a href="javascript:void(0)" class="easyui-linkbutton" iconCls="icon-remove" plain="true" onclick="javascript:$('#dg').edatagrid('destroyRow')">Destroy</a>
<a href="javascript:void(0)" class="easyui-linkbutton" iconCls="icon-save" plain="true" onclick="javascript:$('#dg').edatagrid('saveRow')">Save</a>
<a href="javascript:void(0)" class="easyui-linkbutton" iconCls="icon-undo" plain="true" onclick="javascript:$('#dg').edatagrid('cancelRow')">Cancel</a>
</div>
<script type="text/javascript">
$(function(){
$('#dg').edatagrid({
destroyMsg:{
norecord:{
title:'Cảnh baos',
msg:'Chưa chonj bản ghi.'
},
confirm:{
title:'Xác nhân',
msg:'Bạn cos muoons xoá khong?'
}
},
onBeginEdit: function(rows,r){
$('.datagrid-editable-input').combogrid({
delay: 500,
panelWidth:650,
mode: 'remote',
url: 'datagrid_data1.json',
idField: 'productid',
textField: 'productname',
columns: [[
{field:'productid',title:'Code',width:120,sortable:true},
{field:'productname',title:'Name',width:400,sortable:true}
]]
});
},
editIndex: 20,
autoSave: true, // auto save the editing row when click out of datagrid
url: 't/get_users.php',
saveUrl: 't/save_user.php',
updateUrl: 't/update_user.php',
destroyUrl: 't/destroy_user.php'
});
});
</script>
</body>
</html>
