Torna al Thread
For Each row As DataRow In dt.Rows
TreeView1.Nodes.Add(new treenode(row.Item("Titolo").ToString, row.Item("Id").ToString))
TreeView1.Nodes(dt.rows.indexof(row)).ChildNodes.Add(new treenode(row.Item("AltraInformazione").ToString, row.Item("Titolo").ToString))
Next