<ComboBox Name="ComboBoxCourseGrade"
	Grid.Column="2"
	HorizontalAlignment="Stretch">
	<ComboBox.ItemTemplate>
		<DataTemplate>
			<TextBlock Text="{Binding Converter={StaticResource EnumerationToDescriptionConverter}}"></TextBlock>
		</DataTemplate>
	</ComboBox.ItemTemplate>
</ComboBox>