Sort GridViewComboBoxColumn with multiple columns

[Eva]

I have a RadGridView with a GridViewComboBoxColumn. The GridViewComboBoxColumn displays two columns when it drops down. I would like to show headers for each column inside the ComboBox so that the user can sort the lists by either column.

However, I am unable to display the headers.

Here is my code:

 

<telerik:RadGridView Grid.Row="1" Name="mainGridView">
<telerik:RadGridView.Columns>
<telerik:GridViewComboBoxColumn UniqueName="NominalAccount" Header="Nominal Account" Width="*" DataMemberBinding="{Binding RefCode}"   ItemsSource ="{Binding NominalAccountsItemList, Mode=TwoWay}"  DisplayMemberPath="DisplayName"  SelectedValueMemberPath="RefCode" >
 <telerik:GridViewComboBoxColumn.ItemTemplate>
                        <DataTemplate>
                            <Grid>
                                <Grid.ColumnDefinitions >
                                    <ColumnDefinition Width="Auto" />
                                    <ColumnDefinition></ColumnDefinition>
                                </Grid.ColumnDefinitions>
                                <TextBlock Text="{Binding RefCode}" Padding="0,0,6,0"></TextBlock>
                                <TextBlock Text="{Binding NominalAccountName}"  Grid.Column="1"></TextBlock>
                            </Grid>
                        </DataTemplate>
                    </telerik:GridViewComboBoxColumn.ItemTemplate>
                </telerik:GridViewComboBoxColumn>
     </telerik:RadGridView.Columns>
        </telerik:RadGridView>

 

Any help on how to get headers for my columns in the dropdown would be much appreciated!

Thanks in advance

 

[Dimitrina]

Hello,

GridViewComboBoxColumn itself do not suggest such an in-built option, however, you can customize the column's editor (RadComboBox) or set a specific ItemTemplate (as you already do).
As to configuring it property, you can refer to the "Drop down with headers" github example.
Although GitHub is a very well-known platform we saw a better and easier approach for reviewing our examples developing our brand new SDK Samples Browser. You can install it and then use it to review the examples.

Regards,
Dimitrina
Telerik