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Selecting TreeView checkboxes automatically

Hi,

I am storing the IDs of checked items in a Javascript array.

Im also loading a dynamic XML file into the tree so the tree items may not be the same everytime it is loaded.

How can i loop through each item in my array and set the corresponding checkbox to checked?

I tried the following but it doesnt seem to select anything


tree.enableCheckBoxes(1);
tree.enableThreeStateCheckboxes(true)    
tree.enableKeyboardNavigation(true);
tree.enableSmartXMLParsing(true);
tree.enableDistributedParsing(true,50,100);

function populateChecked() {
    if(arrParent.length > 0){
        var varparent = arrParent.split(",");
    
        for (var i=0; i<varparent.length; i++){
         tree.setCheck(varparent[i],1);
        }
    }
}




thanks for help with this.