dhtmlx Combo in dhtmlxGrid

Hi
i am working with dhtmlxGrid and i want to use combo in Grid’s column.
In order to do so i’ve followed the example http://dhtmlx.com/docs/products/dhtmlxGrid/samples/13_interaction_other_components/01_pro_combo.html

// Grid init

            myGrid = new dhtmlXGridObject('gridbox');
	myGrid.setImagePath("../codebase/imgs/");
	myGrid.loadXML("combo.xml");

// combo.xml content

Number one two three four five six seven eight nine ten
	<settings>
		<colwidth>px</colwidth>
	</settings>		
</head>

<row id="1">
	<cell>1</cell>
</row>
<row id="2">
	<cell>2</cell>
</row>
<row id="3">
	<cell>3</cell>
</row>
<row id="4">
	<cell>4</cell>
</row>

Please help.
Thanks in advance.

i get empty cells

Unfortunately the issue cannot be reproduced locally.
If the problem still occurs for you please, provide with a complete demo, where the problem can be reconstructed locally.
Here you can find a tutorial about creating a complete demo:
docs.dhtmlx.com/tutorials__auxil … pport.html