![]() Just take into account one more thing while choosing the right DataGridView with TreeView functionality for your project. We could not find a lot of good and complete open-source solutions that implement TreeView functionality inside DataGridView, but you can try to do that by yourself by googling such queries as treeview datagridview or datagridview tree. Note that TreeViewAdv is not a descendant of DataGridView (it is based on ), but it looks similar to DataGridView and you should definitely consider using this control instead of DataGridView if you were going to display unbound hierarchical tabular data. The article explains the model-view ideology of the control and gives you some usage samples you will also find a lot of useful user comments under the main article body. The source code is hosted on SourceForge and you can easily find it there, but we recommend that you read this CodeProject article dedicated to the control. Unfortunately, this control is no longer supported since 2006.Ī control of another type that resembles DataGridView with TreeView is TreeViewAdv written by Andrey Gliznetsov: We discuss some benefits and drawbacks of this control in greater detail in another article on this site, TreeGridView for C#/VB.NET. Another option is to write a helper class we could attach to an existing DataGridView on a form so it will start to act like a TreeView with columns.Ī good example of the approach of the first type is the TreeGridView control developed by Mark Rideout. We can derive from DataGridView and add the required tree functionality to it. NET DataGridView control as the basis and extend its look and functionality as if we incorporated TreeView into one of its columns. ![]() To implementing TreeView in DataGridView, we can use the standard. WinForms DataGridView with TreeView features Let's look at both approaches more carefully. Second, you can use another control like our 10Tec WinForms grid that provides you with both DataGridView and TreeView features. ![]() First, you can try to extend the standard DataGridView to add TreeView functions to it. If you need the functionality like this in your application, you can go two different ways. It is not only a static visual representation: the nodes in the first column are clickable like in a real TreeView control so you can collapse/expand rows. To play with the control and its features, you can run the Demo application from the solution.The grid above looks like TreeView in DataGridView control. The included test cases are outdated and likely won't work anymore. The current development status is considered usable, there are no known major bugs or missing parts that need to be fixed. I picked up the code and made several enhancements and bug fixes to make it a more robust and complete solution. The code is based on the TreeViewEx project on CodePlex ( ) and released under the MIT licence. It features the Windows 7 Aero theme very closely and adapts to other Windows themes (Luna, Royale, Classic, Aero2). Most prominently, it adds multiple selection and is easier to style in several aspects. This control overcomes some of the limitations that the TreeView control included in WPF has. NET/WPF control that displays a hierarchical tree of items that can be browsed, selected, collapsed and edited like in a normal tree control. A WPF TreeView control with support for multiple selection.
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