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This is my code to get implement the refresh after updating

This is my code to get implement the refresh after updating  the values.Please suggest is any thing went wrong.



function doOnCellEdit(stage,rowId,cellInd)
{

    if(mygrid2.getSelectedCellIndex()==3)
    {if(stage == 2)
    {
        //alert('in stage 2');
        var a = mygrid2.getSelectedId();alert('index'+a);
        var b = mygrid2.getRowId(a);
        var roomWith= mygrid2.cells2(b,1).getValue();
        var comments= mygrid2.cells2(b,3).getValue();
        
        var url = '<%=appPath%&gt;/generateXMLTSPinsert.do?mode=update';
    if (window.XMLHttpRequest)
    {
        req = new XMLHttpRequest();
    }
    else if(window.ActiveXObject)
    {
        req = new ActiveXObject('Microsoft.XMLHTTP');
    }
    req.open('POST', url,false);
    req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    //req.onreadystatechange = callback;
    req.send('tournum='+document.forms[0].tourid.value+'&amp;tourdate='+ document.forms[0].tourdate.value+'&amp;tourcode='+ document.forms[0].tourcode.value+'&amp;roomWith='+roomWith+'&amp;comments='+comments);

mygrid2.updateFromXML('gridpal2.xml');
}
}

I'm not sure why do you need to use
    mygrid2.getSelectedCellIndex
    var a = mygrid2.getSelectedId();
    var b = mygrid2.getRowId(a);

The event handler already have necessary info

var roomWith= mygrid2.cells2(rowId,1).getValue();        
var comments= mygrid2.cells2(rowId,3).getValue();

Also you code misses
    return true;
at the end, without such line edit operation will be blocked.