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How to pass a value to doOnRowDblClicked

I'ts possible to pass "idPra" cell value instead of RowId to doOnRowDblClicked?

I've tried but it dont seams to work

This is my code

mygrid.setOnRowDblClickedHandler(doOnRowDblClicked);
mygrid.init();

function doOnRowDblClicked(idPr){
document.forms.vis.numPr.value=idPr;
document.forms.vis.submit(); }

<logic:iterate id="lista" name="listaPr" property="elementi" indexId="indice">
<row id="<%= indice.toString() %>">
<cell><bean:write name="lista" property="idPra"/></cell>
</row>
</logic:iterate>

By knowing rowID you can locate any other related value, in case if you need a value of first cell it can be done as

   
function doOnRowDblClicked(id){
    var idPr = mygrid.cells(id,0).getValue();
    document.forms.vis.numPr.value=idPr;
    document.forms.vis.submit();
}