WPF在datagrid中添加序号

                <DataGridTemplateColumn Width="60"
                                        Header="序号"
                                        IsReadOnly="True">
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <TextBlock HorizontalAlignment="Center" Text="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type DataGridRow}}, Path=Header}" />
                        DataTemplate>
                    DataGridTemplateColumn.CellTemplate>
                DataGridTemplateColumn>

 private void DgSceneRecord_LoadingRow(object sender, DataGridRowEventArgs e)
        {
            e.Row.Header = e.Row.GetIndex() + 1;
        }