SharePoint doesn’t provide any column type to represent the relational data in tree view format. E.g. Country > State > City is the best example for such data structures. This open source package provides the capability to creating tree view column within SharePoint environment.
If you are also looking for any data to represent in tree format in SharePoint 2010 then this control for you provided you are storing data in one list with parent lookup reference of same list.
You can get started right away with the following tracks
- You can install and use the treeview column with our step by step guide.
- Want to tinker with the source code? Sure go ahead and checkout. It can be immediately built with Visual Studio 2010 (SharePoint 2010)