This is a TreeListView, running in virtual mode. the data is never stored within the control.
Latest Tree View Articles
Thanks to ASP.NET 2.0's built-in TreeView control, you can give your Web site a professional-looking navigation system that displays hierarchical data—without having to write lots of code and script.
Learn to get around the limitation for the maximum value of the .NET TreeView's ItemHeight property.
Latest CodeGuru Developer Columns
Follow along with the code provided and become more proficient with using Azure Storage Tables.
In the final article in this series, put it all together and create a canvas to draw on.
Discover the world of Portable Class Libraries (PCLs) and how they can work for you.