I don't understand your issue. The link you gave has a link to download the code. Get the code and compile it into a DLL. You can then use it from your VB project.

>Hi all,
> i use vb.net . I have a difficult question. I want to write a function Acess in vb.net when load the ms sql server data.
>And i want to wirte TreeGridView mean (TreeView combine Datagirdview or listview checkbox ).
>I already search many many website and book but no this information...
>But i find the about C# information same to me want to do in below link.
>
>http://www.advancedcomputing.ch/Blog/tabid/73/EntryId/28/Hierarchical-TreeGridView.aspx
>
>Anyone can i help me,how can i do TreeView combine Datagirdview or listview checkbox, thank you thank you thank you ?