How to Add Icon on Specific Row Header of WPF DataGrid?

This sample illustrated that how to add icon on specific row header of WPF DataGrid (SfDataGrid).

The DataGrid does not provide the direct support to add an image in RowHeader cells. But you can add an image in the RowHeader cell by customizing the Syncfusion:GridRowHeaderCell.

XAML

<Window.Resources>
    <local:RowHeaderConverter x:Key="rowHeaderConverter"/>
    <Style TargetType="syncfusion:GridRowHeaderCell">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="syncfusion:GridRowHeaderCell">
                    <Border x:Name="PART_RowHeaderCellBorder"
                    BorderBrush="{TemplateBinding BorderBrush}"
                    BorderThickness="{TemplateBinding BorderThickness}">
                        <Grid>
                            <Image  Source="{Binding IsLocked, Converter={StaticResource rowHeaderConverter}}" />
                        </Grid>
                    </Border>
                </ControlTemplate>                   
            </Setter.Value>
        </Setter>
    </Style>
</Window.Resources>

C#

foreach(var record in datagrid.View.Records)
{
    var data = (record as RecordEntry).Data as OrderInfo;
    if (data.OrderID % 3 == 0)
    {
        //To change the image at run time.
        data.IsLocked = true;
    }
}