yes, I used the "update" method and the new node row can't be select. I find the node's tr-element don't change, such as
$treegrid.treegrid('update', {
id : -1,
row : {
"id" : 99,
"userId" : 99 // idField:'userId'
}
});
After "update", the node's tr-element don't be updated : id="datagrid-row-r2-2--1", node-id="-1". The tr also cannot be selected.