Master detail grid connector not working

Im evaluating the grid and trying to make an application in the style of master/detail with two grids. But i havent got any change on detail grid? whats happening?

Here’s my code:

For demo purpose only :: &1
<script src='dhtmlxGrid/codebase/dhtmlxcommon.js'></script>
<script src='dhtmlxGrid/codebase/dhtmlxgrid.js'></script>	
<script src='dhtmlxDataProcessor/codebase/dhtmlxdataprocessor.js'></script>		<script src='dhtmlxDataProcessor/codebase/dhtmlxdataprocessor_debug.js'></script>	<script src='dhtmlxGrid/codebase/ext/dhtmlxgrid_filter.js'></script>		
<script src='dhtmlxGrid/codebase/ext/dhtmlxgrid_srnd.js'></script>		
<script src='dhtmlxGrid/codebase/dhtmlxgridcell.js'></script>	
<script src='dhtmlxConnector/codebase/connector.js'></script>	
			<div id="gridbox" width="350px" height="550px" style="background-color:white;overflow:hidden"></div>

			
		
			<div id="gridbox2" width="350px" height="550px" style="background-color:white;overflow:hidden"></div>

And the server side code for details grid:

<?php require_once("config.php"); $res=mysql_connect($mysql_server,$mysql_user,$mysql_pass); mysql_select_db($mysql_db); require("dhtmlxConnector/codebase/grid_connector.php"); $grid = new GridConnector($res); $id = mysql_real_escape_string($_GET['id']); $grid->dynamic_loading(100); $grid->render_sql("SELECT * FROM internos WHERE interno = ‘”.$id.”‘","interno","interno,funcion"); ?>

Im a newbie. please help.

Regards from buenos aires

Your code looks correct. What is actual result and what is expected result for you?