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XmlSiteMapProvider.RootNode Property

Gets the root node of the site map.

Namespace:  System.Web
Assembly:  System.Web (in System.Web.dll)

public override SiteMapNode RootNode { get; }

Property Value

Type: System.Web.SiteMapNode
A SiteMapNode that represents the root node of the site map; otherwise, null, if security trimming is enabled and the root node is not accessible to the current user.

The RootNode property calls the BuildSiteMap method to retrieve the top-level node in the site map. Therefore, any exceptions that occur for the BuildSiteMap method can also occur when accessing the RootNode property.

The SiteMapProvider and XmlSiteMapProvider classes permit only one root SiteMapNode object in a site map. The XmlSiteMapProvider class overrides the abstract SiteMapProvider.RootNode property and provides a simple implementation to track the root node.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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