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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 */
public SiteMapNode get_RootNode ()

public override function get RootNode () : SiteMapNode

Not applicable.

Property Value

A SiteMapNode that represents the root node of the site map; otherwise, a null reference (Nothing in Visual Basic), 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.

Windows 98, Windows Server 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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