Есть проблема с правильным выравниванием столбцов из listbox.datatemplate. grid!

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Hi,
I'm new with WPF, just start learning, and have minor problem with column alignments.
One binding data "Attachment" is not able to show as column 2, but is under/over column 1, text is mixed with binding data "DateTimeMessage"?!
All other TextBlocks are fine.

Thanks in advance for help

What I have tried:

<code><ListBox x:Name="ListBoxMessages" Height="286" Margin="0,0,-65,0" ScrollViewer.HorizontalScrollBarVisibility="Disabled" ScrollViewer.VerticalScrollBarVisibility="Visible" FontSize="14">
                <ListBox.ItemTemplate>
                    <DataTemplate>
                            <Grid Margin="10">
                            <Grid.RowDefinitions>
                                <RowDefinition Height="Auto" />
                                <RowDefinition Height="*" />
                            </Grid.RowDefinitions>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="Auto" />
                                <ColumnDefinition Width="*" />
                            </Grid.ColumnDefinitions>
                            <TextBlock Grid.Row="0" Grid.Column="0">
                                <Run Text="{Binding Path=FullName}"/>
                                <Run Text="; "/>
                            </TextBlock>
                            <TextBlock Grid.Row="0" Grid.Column="1">
                                <Run Text="{Binding Path=DateTimeMessage, StringFormat=\{0:d.MMM.yyyy HH:mm:ss\}}" />
                                <Run Text="; "/>
                            </TextBlock>
                            <TextBlock Grid.Row="0" Grid.Column="2" Text="{Binding Path=Attachment}"/>
                            <TextBlock Text="{Binding Path=Message}" TextWrapping="Wrap" Grid.Row="1" Grid.Column="0" />
                           </Grid>
                    </DataTemplate>

                </ListBox.ItemTemplate>
            </ListBox></code>

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