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The SiteMapPath (also known as breadcrumb) control is a navigation control that allows the user to know the current page location with respect to the home page. It renders as a hyperlinks or images that is separated by a path separator that is specified via its PathSeparator property.
Note that this control uses a SiteMap File to detect the location of the current page, hence if you try to navigate to a page that is not included in the SiteMap File, the control will not be displayed.