Inserting,Deleting and modyfing TreeNode Xml of Treeview

[naija naija]

Hi All,
I'm using the TreView Web Control for my MENU.
And the Menu is populated from an XML file below.
I want a way in which i can manipulate the XML when i want to manage it
without having to open the file all the time.I tried creating an
application in ASP.NET but its difficult getting an exact node to
delete,insert etc b-cos of the XML structure that the control needs..
As anyboy tried doing this or any solutions available..
Thx alot

<TreeNode Text="Human Resources">
<TreeNode Text="Add Employee" NavigateUrl="a.aspx" target=""/>

<TreeNode Text="Forms">

<TreeNode Text="" NavigateUrl="a.aspx" target=""/>
<TreeNode Text="" NavigateUrl="a.aspx" target=""/>
<TreeNode Text="" NavigateUrl="a.aspx" target=""/>
<TreeNode Text="" NavigateUrl="a.aspx" target=""/>
<TreeNode Text="" NavigateUrl="a.aspx" target=""/>
</TreeNode>
</TreeNode>