This is a TreeListView, running in virtual mode. the data is never stored within the control.
Latest Tree View Articles
Use ASP.NET 2.0's TreeView to Display Hierarchical Data
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.
Bypassing the TreeView.ItemHeight Limitation
Learn to get around the limitation for the maximum value of the .NET TreeView's ItemHeight property.
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MFC Integration with the Windows Transactional File System (TxF)
The Transactional File System (TxF), which allows access to an NTFS file system to be conducted in a transacted manner through extensions to the Windows SDK API. MFC 10, has been extended to support TxF and related technologies. This support allows existing MFC applications to be easily extended to support kernel transactions.

Passing Data between Pages in ASP.NET
A quick look at the best methods for passing data from page to page in a .NET web application.

Creating a Gaussian Blur with VB.NET
Learn how to create a Gaussian Blur effect on images using your VB.NET program.
How to Create MapReduce Jobs for Hadoop Using C#
This article introduces you to Big Data, Apache Hadoop and MapReduce jobs. We will also learn how to create MapReduce jobs using C#.