SiteMapNode.PreviousSibling Property

Note: This property is new in the .NET Framework version 2.0.

Gets the previous SiteMapNode object on the same level as the current one, relative to the ParentNode object (if one exists).

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

public:
virtual property SiteMapNode^ PreviousSibling {
	SiteMapNode^ get ();
}
/** @property */
public SiteMapNode get_PreviousSibling ()

public function get PreviousSibling () : SiteMapNode

Property Value

The previous SiteMapNode, serially, before the current one, under the parent node; otherwise, a null reference (Nothing in Visual Basic), if no parent exists, there is no node before this one, or security trimming is enabled and the user cannot view the parent or previous sibling nodes.

The PreviousSibling property presumes that the site map provider implements its internal collections such that when a parent node retrieves its ChildNodes objects, the nodes are in the same order as they appear in the site map. If you use .NET Framework collection classes in an implementation of a SiteMapProvider provider, choose collections that implement the IList interface, such as the ArrayList or ListDictionary class. If you choose collections that do not implement the IList interface, such as the Hashtable class, unexpected results can occur for simple site navigation operations.

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

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

.NET Framework

Supported in: 2.0

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