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How to delete one page of tables from a Windows phone?

My Backstack has four pages: A, B, C, D. Now I just want to remove the D page from my backstack application when I went to the EI page to find Google and find some guys to use NavigationService.RemoveBackEntry()to finish. But this does not suit me, it will delete the entire page of my application back. :)

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NavigationService.RemoveBackEntry() removes only the last entry from backstack, so it should fit your needs.

http://msdn.microsoft.com/en-us/library/system.windows.navigation.navigationservice.removebackentry%28v=vs.92%29.aspx

InvalidOperationException, . , .

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