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NavigationService.GoBack Method

Navigates to the most recent entry in the back navigation history, or throws an exception if no entry exists in back navigation.

Namespace:  System.Windows.Navigation
Assembly:  System.Windows.Controls.Navigation (in System.Windows.Controls.Navigation.dll)

public void GoBack()

ExceptionCondition
InvalidOperationException

There are no entries in the back navigation history.

Before calling the GoBack method, check the value of the CanGoBack property to determine if an entry exists in the back navigation history.

The following example shows buttons within a Silverlight page that allow forward and back navigation. The page uses the NavigationService property of the Page class to access the navigation service used by the hosting frame.


private void BackNavButton_Click(object sender, RoutedEventArgs e)
{
    if (NavigationService.CanGoBack)
    {
        NavigationService.GoBack();
    }
}

private void ForwardNavButton_Click(object sender, RoutedEventArgs e)
{
    if (NavigationService.CanGoForward)
    {
        NavigationService.GoForward();
    }
}


Silverlight

Supported in: 5, 4, 3

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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