UPDATE_COMMAND_UI in dialog base program

[Jason.H]

I've a dialog base program ,in initialize I pop up a frame window with view but no document by filling the contents.The frame window has toolbar, I write UPDATE_COMMAND_UI for toolbar in the view ,but it doesn't work.
The same code works when poped up in MainFrame of MDI or SDI.
What can I do? please help
Thanks in Advanced