DataTable to TreeView

Question

DataTable每一列对应TreeView的每一级，DataTable列数不定，求个比较高效的方法！例如：
DataTable有“仓库”，“商品”，“型号”三列仓库0
  商品0
    型号0
    型号1
  商品1
    型号2
    型号3TreeViewDataTable

Answer 1

参考下面两篇文章实现:
http://www.cnblogs.com/sungcong/archive/2013/01/05/2845223.html
http://www.cnblogs.com/shuyajun/archive/2012/05/11/2495809.html

Answer 2

感觉你们推荐的还没我自己这个好用~~~
        LoadTree(0, treeView1.Nodes[0], dt.Rows.Cast<DataRow>().ToList());        private void LoadTree(int index, TreeNode preNode, List<DataRow> rows)
        {
            var query = from x in rows
                        group x by x[index] into g
                        select new { Key = g.Key, item = g };
            query.ToList().ForEach(x =>
                {
                    TreeNode node = new TreeNode(x.Key.ToString());
                    preNode.Nodes.Add(node);
                    if (index < dt.Columns.Count - 1)
                        LoadTree(index + 1, node, x.item.ToList());
                });
        }