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How to change the layout of a TreeView component to this?

http://vincent90152900.myweb.hinet.net/test.htm
Following is my codes and I don’t know how to make the line appeared?
[HTML] <asp:TreeView ID="TreeView1" runat="server" CollapseImageUrl="images/img-icon/icon-book-.gif"
ExpandImageUrl="images/img-icon/icon-book+.gif" LeafNodeStyle-ImageUrl="images/img-icon/icon-book+.gif"
ExpandDepth="0" OnSelectedNodeChanged="TreeView1_SelectedNodeChang ed" OnTreeNodeExpanded="TreeView1_TreeNodeExpanded">
<LeafNodeStyle ImageUrl="images/img-icon/icon-book+.gif" />
<Nodes>
<asp:TreeNode Text="New Node" Value="New Node">
<asp:TreeNode Text="New Node" Value="New Node">
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
</asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
</asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
<asp:TreeNode Text="New Node" Value="New Node"></asp:TreeNode>
</Nodes>
</asp:TreeView>[/HTML]
Nov 8 '07 #1
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