I was wondering if its possible to have a treeview with the nodes being comboboxes/ listboxes. The selection of one item may have additional nodes of additional comboboxes/listboxes.
RadTreeView fully supports templates. You can embed any content inside a RadTreeView
template like HTML markup, ASP.NET server controls and Third-party controls (other Telerik controls as well).
You can define two types of RadTreeView templates:
1. Global Templates - template that is automatically applied to all tree-nodes: