I am having trouble setting up grouping by a column that is bound to a data element that goes through a value converter. Below I am trying to group by the Reading Station Column.
<tk:RadGridView Name="RoutesGrid"
AutoGenerateColumns="False" IsSynchronizedWithCurrentItem="True"
ItemsSource="{Binding PagedSource, ElementName=DataPager}" SelectedItem="{Binding SelectedRoute}"
tk:StyleManager.Theme="Summer" MouseRightButtonDown="RadGridView_MouseRightButtonDown">
<!--<tk:RadGridView.GroupDescriptors>
<tk:ColumnGroupDescriptor Column="{Binding Columns[\Reading Station\], ElementName=RoutesGrid}" />
</tk:RadGridView.GroupDescriptors>-->
<tk:RadGridView.Columns>
<tk:GridViewDataColumn
Header="ID"
DataMemberBinding="{Binding ID}"
TextAlignment="Center">
</tk:GridViewDataColumn>
<tk:GridViewDataColumn
Header="Reading Station"
DataMemberBinding="{Binding ReadingWorkstation, Converter={StaticResource WorkstationToNameConverter}}"
TextAlignment="Center" Width="Auto">