Grid used connector cannot load data

Hi,

I use the connector cannot load the data in grid, but I don’t use this lib,

<script src="dht/dhtmlxDataProcessor/dhtmlxdataprocessor.js" type="text/javascript" charset="utf-8"></script>
	<script src="dht/dhtmlxConnector/codebase/connector.js" type="text/javascript" charset="utf-8"></script>

it can show data in grid. But I can’t change the data in the grid that use dataProcessor.

please help, thank you.

main.php

[code]

<!-- -->
<script src="dht/dhtmlxDataProcessor/dhtmlxdataprocessor.js" type="text/javascript" charset="utf-8"></script>
<script src="dht/dhtmlxConnector/codebase/connector.js" type="text/javascript" charset="utf-8"></script>
	
<title>Menu Maintenance</title>
<style>
    html, body {
        width: 100%;
        height: 100%;
        margin: 0px;
        padding: 0px;
        background-color: #ebebeb;
        overflow: hidden;
    }
</style>

<script>
function doOnLoad() {
	var myLayout, menuGridData;

    myLayout = new dhtmlXLayoutObject({
        parent: document.body,
        pattern: "2E",
        cells: [
            { id: "a", text: "A", header: "false" },
            { id: "b", text: "B", header: "false" },
        ]
    });
    myLayout.cells("a").setHeight(50);
    
    menuGridData = myLayout.cells("b").attachGrid();
    menuGridData.setImagePath("dht/codebase/imgs/");
    menuGridData.setHeader("menuId,menuParentId,menuFormId,itemText,itemId,level,levelFlag,subLevelFlag");
    
	menuGridData.init();

	menuGridData.loadXML("php/menuMaintenanceConnector.php");
    var dp = new dataProcessor("php/menuMaintenanceConnector.php");
	dp.init(menuGridData);
    
}
[/code]

menuMaintenanceConnector.php

<?php

//include db connection settings
require_once("config/config.php");

	$res=mysql_connect($mysql_server,$mysql_user,$mysql_pass);
	mysql_select_db($mysql_db);

    require("../dht/dhtmlxConnector/codebase/grid_connector.php"); 
    $grid = new GridConnector($res);
$grid->dynamic_loading(5);
    $grid->render_table("menu","menuId","menuId,menuParentId,menuFormId,itemText,itemId,level,levelFlag,subLevelFlag"); 
?>