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TreeGrid check kids

Hello!

how can i check all kids checkbox in column if parent's this column checkbox was checked?

You can use onCheckbox event to detect moment when row checked, and getSubItems method to get all child items

mygrid.attachEvent("onCheckbox", function(id,index,state){
    var kids = mygrid.getSubItems(id).split(",");
    for (var i=0; i<kids.length; i++)
         mygrid.cells(kids[i],index).setValue(state?1:0)
    return true;
});