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<Grid x:Name="LayoutRoot">
<StackPanel
Margin="30, 30, 10, 0"
HorizontalAlignment="Left">
<ComboBox
x:Name="FacultyComboBox"
Width="210"
Header="Факультет:"
HeaderTemplate="{ThemeResource ComboboxHeaderTemplate}"
ItemsSource="{Binding Timetable[0].Faculties, Converter={StaticResource FacultyListToStringListConverter}}"
SelectedIndex="{Binding Timetable[0].SelectedFaculty, Mode=TwoWay}"
PlaceholderText="Выберите факультет"/>
<ComboBox
x:Name="GroupComboBox"
Header="Группа:"
HeaderTemplate="{ThemeResource ComboboxHeaderTemplate}"
ItemsSource="{Binding Timetable[0].CurrentGroups}"
SelectedIndex="{Binding Timetable[0].SelectedGroup, Mode=TwoWay}"
PlaceholderText="Выберите группу"/>
<TextBlock Text="{Binding Timetable[0].SelectedGroup}" FontSize="20"></TextBlock>
</StackPanel>
</Grid>
SelectedIndex = "{Binding Timetable [0] .SelectedGroup, Mode = TwoWay}"를 추가하면 오류가 나타납니다. 이 줄이 없다면이 줄이 필요합니다.값이 예상 한 범위 내에 있지 않습니다. 관찰 용 사전. Windows phone 8