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Editorial Team
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Asked: 2026-05-11T20:04:26+00:00

The following code works fine in WPF . In Silverlight it gives me the

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The following code works fine in WPF.

In Silverlight it gives me the error **Invalid attribute value {Binding ElementName=WhichNumber, Path=SelectedItem.Content} for property Text. **

How can I get this to work in Silverlight?

    <ComboBox x:Name="WhichNumber" Width="100" HorizontalAlignment="Left" Margin="10" SelectedIndex="0">
        <ComboBoxItem Content="One"/>
        <ComboBoxItem Content="Two"/>
        <ComboBoxItem Content="Three"/>
    </ComboBox>

    <TextBlock Text="{Binding ElementName=WhichNumber, Path=SelectedItem.Content}"/>
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1 Answer

  1. Editorial Team

    Silverlight doesn’t support Relative Binding (binding the attribute of one element to the value of another element’s attribute value) while WPF has full support for that kind of binding.

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