All treeview controls I know of allow that.
Cetin

>Hi Cetin.
>I've used Tree View control to display data ok.
>But do you know if any of the controls you mention allow data to be edited, added, deleted etc
>
>regards,
>Gerard
>
>
>
>>>Hi.
>>>I need to maintain a Hierarchical file structure as:
>>>Level1
>>> Level2.a
>>> Level2.b
>>>Level2
>>>Level3
>>> Level3.1
>>> Level3.2.11
>>>Etc
>>>I need to be able to add,edit,delelte tree nodes etc and
>>>save rhe result, ideally to an XML file.
>>>This is to be implelemented in a .Dot Net c# Web App form.
>>>I remember from way back that there was somwwhwre in VFP that this could be done but cant recall where or if it's possible to run the VFP code from a dot net web page.
>>>Any help appreciated
>>>
>>>Regards,
>>>Gerard
>>
>>Gerard,
>>.Net Treeviews (yes plural, they are different for windows.forms and web.UI) are more powerfull then activex Treeview used with VFP.
>>Besides there is IE web controls to make life easier.
>>Check these on help:
>>HierarchicalDataBoundControl Class
>>Using the TreeView IE Web Control
>>and this:
>>http://aspnet.4guysfromrolla.com/articles/051403-1.aspx
>>
>>Cetin