Do you use TreeView control instead of XML control?
  v3.0 Posted at 10/20/2010 7:56 PM by System Account

Both controls can represent XML hierarchical data and support Extensible Stylesheet Language (XSL) templates, which can be used to transform an XML file into a the correct format and structure. While TreeView can apply Styles more easily, provide special properties that simplify the customization of the appearance of elements based on their current state.
<asp:TreeView ID="TreeView1" runat="server" DataSourceID="siteMapDataSource"
ImageSet="Faq" SkipLinkText =""> 
<ParentNodeStyle Font-Bold="False" /> 
<HoverNodeStyle Font-Underline="True" ForeColor="Purple" />   
<SelectedNodeStyle Font-Underline="True" HorizontalPadding="0px"
VerticalPadding="0px" /> 
<NodeStyle Font-Names="Tahoma" Font-Size="8pt" ForeColor="DarkBlue"
HorizontalPadding="5px" NodeSpacing="0px" VerticalPadding="0px" />
<asp:SiteMapDataSource ID="siteMapDataSource"  runat="server" />                    
Figure: Good Code - Use TreeView to represent XML hierarchical data
<asp:Xml ID="Xml1" runat="server" DocumentSource="~/Web.xml"
Figure: Bad Code - Use XML to represent XML document using XSL Transformations

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