C#
private void DeleteByID(string id)
        {
            for (var i = 0; i < ZDemoData.DataList.Count; i++)
            {
                if (ZDemoData.DataList[i].id == id || ZDemoData.DataList[i].pId == id)
                {
                    var tx = ZDemoData.DataList[i].id;
                    ZDemoData.DataList.RemoveAt(i);
                    i = i - 1;
                    DeleteByID(tx);
                }
            }
        }

JS
//删除
function DeleteByID(id,nodes)
{
    for (var i = 0; i < nodes.length; i++) {
        if (nodes[i].id == id || nodes[i].pId == id) {
            var tx=nodes[i].id;
            nodes.splice(i, 1);
            i = i - 1;
            DeleteByID(tx, nodes)
        } 
    }
}