Private Sub AddDropDownListAfterCurrentNode(item As SiteMapNodeItem)

      Dim childNodes As SiteMapNodeCollection = item.SiteMapNode.ChildNodes

      ' Only do this work if there are child nodes.
      If Not (childNodes Is Nothing) Then

         ' Add another PathSeparator after the CurrentNode.
         Dim finalSeparator As New SiteMapNodeItem(item.ItemIndex, SiteMapNodeItemType.PathSeparator)

         Dim eventArgs As New SiteMapNodeItemEventArgs(finalSeparator)

         InitializeItem(finalSeparator)
         ' Call OnItemCreated every time a SiteMapNodeItem is
         ' created and initialized.
         OnItemCreated(eventArgs)

         ' The pathSeparator does not bind to any SiteMapNode, so
         ' do not call DataBind on the SiteMapNodeItem.
         item.Controls.Add(finalSeparator)

         ' Create a DropDownList and populate it with the children of the
         ' CurrentNode. There are no styles or templates that are applied
         ' to the DropDownList control. If OnSelectedIndexChanged is raised,
         ' the event handler redirects to the page selected.
         ' The CurrentNode has child nodes.
         Dim ddList As New DropDownList()
         ddList.AutoPostBack = True

         AddHandler ddList.SelectedIndexChanged, AddressOf Me.DropDownNavPathEventHandler

         ' Add a ListItem to the DropDownList for every node in the
         ' SiteMapNodes collection.
         Dim node As SiteMapNode
         For Each node In  childNodes
            ddList.Items.Add(New ListItem(node.Title, node.Url))
         Next node

         item.Controls.Add(ddList)
      End If
   End Sub 'AddDropDownListAfterCurrentNode

private void AddDropDownListAfterCurrentNode(SiteMapNodeItem item) {

    SiteMapNodeCollection childNodes = item.SiteMapNode.ChildNodes;

    // Only do this work if there are child nodes.
    if (childNodes != null) {

        // Add another PathSeparator after the CurrentNode.
        SiteMapNodeItem finalSeparator =
            new SiteMapNodeItem(item.ItemIndex,
                                SiteMapNodeItemType.PathSeparator);

        SiteMapNodeItemEventArgs eventArgs =
            new SiteMapNodeItemEventArgs(finalSeparator);

        InitializeItem(finalSeparator);
        // Call OnItemCreated every time a SiteMapNodeItem is
        // created and initialized.
        OnItemCreated(eventArgs);

        // The pathSeparator does not bind to any SiteMapNode, so
        // do not call DataBind on the SiteMapNodeItem.
        item.Controls.Add(finalSeparator);

        // Create a DropDownList and populate it with the children of the
        // CurrentNode. There are no styles or templates that are applied
        // to the DropDownList control. If OnSelectedIndexChanged is raised,
        // the event handler redirects to the page selected.
        // The CurrentNode has child nodes.
        DropDownList ddList = new DropDownList();
        ddList.AutoPostBack = true;

        ddList.SelectedIndexChanged += new EventHandler(this.DropDownNavPathEventHandler);

        // Add a ListItem to the DropDownList for every node in the
        // SiteMapNodes collection.
        foreach (SiteMapNode node in childNodes) {
            ddList.Items.Add(new ListItem(node.Title, node.Url));
        }

        item.Controls.Add(ddList);
    }
}

   Private Sub AddDropDownListAfterCurrentNode(item As SiteMapNodeItem)

      Dim childNodes As SiteMapNodeCollection = item.SiteMapNode.ChildNodes

      ' Only do this work if there are child nodes.
      If Not (childNodes Is Nothing) Then

         ' Add another PathSeparator after the CurrentNode.
         Dim finalSeparator As New SiteMapNodeItem(item.ItemIndex, SiteMapNodeItemType.PathSeparator)

         Dim eventArgs As New SiteMapNodeItemEventArgs(finalSeparator)

         InitializeItem(finalSeparator)
         ' Call OnItemCreated every time a SiteMapNodeItem is
         ' created and initialized.
         OnItemCreated(eventArgs)

         ' The pathSeparator does not bind to any SiteMapNode, so
         ' do not call DataBind on the SiteMapNodeItem.
         item.Controls.Add(finalSeparator)

         ' Create a DropDownList and populate it with the children of the
         ' CurrentNode. There are no styles or templates that are applied
         ' to the DropDownList control. If OnSelectedIndexChanged is raised,
         ' the event handler redirects to the page selected.
         ' The CurrentNode has child nodes.
         Dim ddList As New DropDownList()
         ddList.AutoPostBack = True

         AddHandler ddList.SelectedIndexChanged, AddressOf Me.DropDownNavPathEventHandler

         ' Add a ListItem to the DropDownList for every node in the
         ' SiteMapNodes collection.
         Dim node As SiteMapNode
         For Each node In  childNodes
            ddList.Items.Add(New ListItem(node.Title, node.Url))
         Next node

         item.Controls.Add(ddList)
      End If
   End Sub 'AddDropDownListAfterCurrentNode

private void AddDropDownListAfterCurrentNode(SiteMapNodeItem item) {

    SiteMapNodeCollection childNodes = item.SiteMapNode.ChildNodes;

    // Only do this work if there are child nodes.
    if (childNodes != null) {

        // Add another PathSeparator after the CurrentNode.
        SiteMapNodeItem finalSeparator =
            new SiteMapNodeItem(item.ItemIndex,
                                SiteMapNodeItemType.PathSeparator);

        SiteMapNodeItemEventArgs eventArgs =
            new SiteMapNodeItemEventArgs(finalSeparator);

        InitializeItem(finalSeparator);
        // Call OnItemCreated every time a SiteMapNodeItem is
        // created and initialized.
        OnItemCreated(eventArgs);

        // The pathSeparator does not bind to any SiteMapNode, so
        // do not call DataBind on the SiteMapNodeItem.
        item.Controls.Add(finalSeparator);

        // Create a DropDownList and populate it with the children of the
        // CurrentNode. There are no styles or templates that are applied
        // to the DropDownList control. If OnSelectedIndexChanged is raised,
        // the event handler redirects to the page selected.
        // The CurrentNode has child nodes.
        DropDownList ddList = new DropDownList();
        ddList.AutoPostBack = true;

        ddList.SelectedIndexChanged += new EventHandler(this.DropDownNavPathEventHandler);

        // Add a ListItem to the DropDownList for every node in the
        // SiteMapNodes collection.
        foreach (SiteMapNode node in childNodes) {
            ddList.Items.Add(new ListItem(node.Title, node.Url));
        }

        item.Controls.Add(ddList);
    }
}