Hello,

Please take a look  JS code below:

UltraWebGrid ClientSideEvents declaration:

  <ClientSideEvents CellClickHandler="Fire" />

JS code:

    <script type="text/javascript">
    function Fire(gridID, cellID){
    var cell = igtbl_getCellById(cellID);
    var val1 =cell.Element.textContent;
     var val2 =    cell.getValue();
    }
    
    
    </script>

Also  you can take a look at the links below:

Sample: http://samples.infragistics.com/2008.2/
Help: http://help.infragistics.com/NetAdvantage/NET/2008.3/CLR3.5/

Hope this helps.