setcolsorting is not working before smartrendering...

Hi,
setcolsorting is not working before smartrendering page.
once data loaded, when click the header for sorting is not working, after scrolling(rendering) the grid, sort is working.

my code is added below.
please help me.
thank you so much.

[code]mygrid = new dhtmlXGridObject(‘gridWrapper’);
//mygrid = new dhtmlXGridObject(‘gridbox’);
//グリッドの設定
mygrid.setImagePath("/inc/imgs/");
mygrid.setHeader(",部署コード,部署名,所属人数",null,[“text-align:center;vertical-align:middle;”,“text-align:center;vertical-align:middle;”,“text-align:center;vertical-align:middle;”,“text-align:center;vertical-align:middle;”]);
mygrid.setColAlign(“center,left,left,right”);
mygrid.setInitWidthsP(“10,25,45,20”);
mygrid.setColVAlign(“middle,middle,middle,middle”);
mygrid.enableResizing(“false,false,false,false”);
mygrid.setColTypes(“ch,ro,ro,ro”);
mygrid.setColSorting(“na,str,str,str”);
mygrid.enableMultiselect(true);
// イベント定義
mygrid.attachEvent(“onBeforeContextMenu”, evtBeforeContextDepartment); //コンテキストメニュー表示前処理
mygrid.attachEvent(“onCheck”, evtDepartmentGridOnCheck); //チェック時イベント
mygrid.attachEvent(“onRowSelect”, evtGridClick);
mygrid.attachEvent(“onSelectStateChanged”, evtGridStateChanged); //選択状態が変わった場合の処理

mygrid.attachEvent("onXLS", function() {
	document.getElementById('cover').style.display = 'block';
});
mygrid.attachEvent("onXLE", function() {
	document.getElementById('cover').style.display = 'none';
});
mygrid.init();
mygrid.setSkin("dhx_skyblue");
mygrid.enableSmartRendering(true,15);
/* XMLデータのロード*/
reloadGrid();
mygrid.enableAlterCss('cosysGridEvenRow','cosysGridOddRow');
[/code]

IN case of dynamic loading you should use server-side soring of your data.

Here is the tutorial:
docs.dhtmlx.com/doku.php?id=dhtm … de_sorting