I have a data: Id pid name mark 1 0 f1 sample 2 1 f2 sample 3 1 f3 sample 4 2 f4 sample 5 2 *id(2).name *id(2).mark
These means that under id(2) and id(5) have same node, if change one of the node, the other update auto, How to realize this function? Thank you!