I have **Web.sitemap** file like this :
<?xml version="1.0" encoding="utf-8" ?>
<siteMap xmlns="http://schemas.microsoft.com/AspNet/SiteMap-File-1.0" >
<siteMapNode url="" title="" description="">
<siteMapNode url="~/Home.aspx" title="Home" description=" this is the home page" />
<siteMapNode url="~/ProjectList.aspx" title="Project List" description="Approved projects" />
<siteMapNode url="" title="Project Choices" description="">
<siteMapNode url="~/StudentChoices.aspx" title="Student Project Choices" description="" />
<siteMapNode url="~/StaffChoices.aspx" title="Supervisor Project Choices" description="" />
</siteMapNode>
...
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