Hello,
i want to select current row into ActiveDataItem property by recordExpanding Event in xaml.
actually i used event trigger in xaml and i handeld it into ViewModel and i don't want to use ViewModel or Code behind

<igDP:XamDataGrid x:Name="AlarmGrid"
                              DataSource="{Binding Path=Items}"
                              Padding="1"
                              FontSize="11"
                              BorderThickness="1"
                              BorderBrush="#E6000000"
                              ActiveDataItem="{Binding Path=ActiveItem, Mode=TwoWay}">
                <interactivity:Interaction.Triggers>
                    <interactivity:EventTrigger EventName="RecordExpanding">
                        <prism:InvokeCommandAction Command="{Binding RowExpandCommand}" />
                    </interactivity:EventTrigger>
                </interactivity:Interaction.Triggers>