protected virtual void OnBreadcrumbRootChanged(object sender, NodeBase oldNode, NodeBase newNode)
{
BreadcrumbHierarchy = UIContext.GetBreadcrumbDropDownData(newNode);
}
protected virtual void OnBreadcrumbRootChanged(NodeBase oldNode, NodeBase newNode)
{
BreadcrumbHierarchy = UIContext.GetBreadcrumbDropDownData(newNode);
CategoryHierarchy = UIContext.GetBreadcrumbDropDownData(BizContext.Instance.Categories.FirstOrDefault());
}