How do I loop backwards from SiteMap.CurrentNode to SiteMap.RootNode

Question

I have a simple Sitemap like this from asp:SiteMapDataSource:

Page 1 > Page 2 > Page 3

I would like to create foreach loop in C# that generates it instead for using asp:SiteMapPath because I need to add some exceptions to it. Now I cannot figure out how do I loop backwards from SiteMap.CurrentNode to SiteMap.RootNode?

Answer 1

The property you are looking for is SiteMapNode.ParentNode

SiteMapNode currentNode = SiteMap.CurrentNode;
SiteMapNode rootNode = SiteMap.RootNode;
Stack<SiteMapNode> nodeStack = new Stack<SiteMapNode>();

while (currentNode != rootNode)
{
    nodeStack.Push(currentNode);

    currentNode = currentNode.ParentNode;
}

// If you want to include RootNode in your list
nodeStack.Push(rootNode);

SiteMapNode[] breadCrumbs = nodeStack.ToArray();