onCheckbox

the event is deprecated, use the onCheck event instead; fires after the state was changed

void onCheckbox(string|number rId,number cInd,boolean state);

rId	string\|number	the id of the row
cInd	number	the index of a cell
state	boolean	the state of the checkbox/radiobutton

Available only in PRO Edition

grid.attachEvent("onCheckbox", function(rId,cInd,state){
    // your code here
});