<syncfusion:SfDataGrid.TableSummaryRows>
<syncfusion:GridSummaryRow ShowSummaryInRow="False">
<syncfusion:GridSummaryRow.SummaryColumns>
<syncfusion:GridSummaryColumn Format="'{Count:d}'" MappingName="Id" SummaryType="CountAggregate">
<syncfusion:GridSummaryColumn.Template>
<DataTemplate>
<TextBlock Text="{Binding Converter={StaticResource SummaryColumnLocalizedPrefixConverter}, UpdateSourceTrigger=PropertyChanged, Mode=OneWay, ConverterParameter={lex:Loc TotalItems}}" />
</DataTemplate>
</syncfusion:GridSummaryColumn.Template>
</syncfusion:GridSummaryColumn>
<syncfusion:GridSummaryColumn CustomAggregate="{StaticResource GroupCountAggregate}" Format="'{GroupsCount:d}'" MappingName="GroupId" SummaryType="Custom">
<syncfusion:GridSummaryColumn.Template>
<DataTemplate>
<TextBlock Text="{Binding Converter={StaticResource SummaryColumnLocalizedPrefixConverter}, UpdateSourceTrigger=PropertyChanged, Mode=OneWay, ConverterParameter={lex:Loc TotalGroups}}" />
</DataTemplate>
</syncfusion:GridSummaryColumn.Template>
</syncfusion:GridSummaryColumn>
</syncfusion:GridSummaryRow.SummaryColumns>
</syncfusion:GridSummaryRow>
</syncfusion:SfDataGrid.TableSummaryRows>