Василий Самойлов

<DataGridTemplateColumn Header="{x:Static res:Resources.Header2}" >
    <DataGridTemplateColumn.CellTemplate>
        <DataTemplate>
            <StackPanel Orientation="Horizontal">
                <TextBlock Text="{Binding Par2}"></TextBlock>
                <TextBlock Text="{Binding Par3}"></TextBlock>
            </StackPanel>
        </DataTemplate>
    </DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>