Maintain the SelectedNodeStyle of treeview while navigating Treeview on masterpage

Hi all i applied selectednodestyle for a treeview which works fine when i am not navigating. But on navigating i am unable to see the applied color for the treeview selected node. Here is my design in master page

<asp:TreeView ID="TreeViewCategories" runat="server" ExpandDepth="0" Style="min-height: 200px; Go to the complete details ...