Gets or sets a value indicating whether the site map node tree is retrieved using the node that represents the current page.
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The SiteMapDataSource.StartFromCurrentNode property is evaluated during calls to the SiteMapDataSource.GetView(string) and the SiteMapDataSource.GetHierarchicalView(string) methods to help determine which site map node to use as a starting point to build the node tree. The SiteMapDataSource.StartFromCurrentNode and SiteMapDataSource.StartingNodeUrl properties are mutually exclusive — if you set the SiteMapDataSource.StartingNodeUrl property, ensure that the SiteMapDataSource.StartFromCurrentNode property is false.
The value of the SiteMapDataSource.StartFromCurrentNode property is stored in view state.