MainWindow.xaml

<Window x:Class="Sitegeist.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:Sitegeist"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid Margin="0,0,2,0">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="100" />
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="30" />
            <RowDefinition Height="*" />
        </Grid.RowDefinitions>
        <Button x:Name="btnRun" Click="btnRun_Click" Content="Button" Grid.Row="0" Grid.Column="0" Width="75" Margin="12,0"/>
        <TextBlock Grid.Column="2" x:Name="txtURL" ></TextBlock>
        <DataGrid Grid.Column="1" Grid.Row="1" x:Name="dgResults" AutoGenerateColumns="False" >
            <DataGrid.Columns>
                <DataGridTextColumn Header="Summary" Binding="{Binding Summary, Mode=OneWay}"/>
                <DataGridCheckBoxColumn Header="Was ok" Binding="{Binding WasOk, Mode=OneWay}"/>
                <DataGridTextColumn Header="Actions" Binding="{Binding Actions, Mode=OneWay}"/>
                <DataGridTextColumn Header="Action Errors" Binding="{Binding ActionErrors, Mode=OneWay}"/>

                <DataGridTextColumn Header="Expects" Binding="{Binding Expects, Mode=OneWay}"/>
                <DataGridTextColumn Header="Met Expect" Binding="{Binding MetExpects, Mode=OneWay}"/>
                <DataGridTextColumn Header="Expect Errors" Binding="{Binding ExpectErrors, Mode=OneWay}"/>
                <DataGridTextColumn Header="Starting URL" Binding="{Binding StartingURL, Mode=OneWay}"/>
                <DataGridTextColumn Header="Ending URL" Binding="{Binding EndingURL, Mode=OneWay}"/>
            </DataGrid.Columns>
            <DataGrid.RowDetailsTemplate>
                <DataTemplate>
                    <StackPanel>
                        <DataGrid ItemsSource="{Binding ActionResults,Mode=OneTime}" AutoGenerateColumns="False" Visibility="{Binding HasAction}">
                            <DataGrid.Columns>
                                <DataGridTextColumn Header="Action Type" Binding="{Binding ActionType, Mode=OneWay}"/>
                                <DataGridTextColumn Header="Target" Binding="{Binding Target.Path, Mode=OneWay}"/>
                                <DataGridTemplateColumn  Header="Parameters">
                                    <DataGridTemplateColumn.CellTemplate>
                                        <DataTemplate>
                                            <StackPanel>
                                                <ListView ItemsSource="{Binding ActionArguments}"></ListView>
                                            </StackPanel>
                                        </DataTemplate>
                                    </DataGridTemplateColumn.CellTemplate>
                                </DataGridTemplateColumn>
                                <DataGridTextColumn Header="Exception" Binding="{Binding ActionException.Message, Mode=OneWay}"/>
                            </DataGrid.Columns>
                        </DataGrid>
                        <DataGrid ItemsSource="{Binding ExpectResults,Mode=OneTime}" AutoGenerateColumns="False" Visibility="{Binding HasExcept}">
                            <DataGrid.Columns>
                                <DataGridTextColumn Header="Expect Type" Binding="{Binding ExpectType, Mode=OneWay}"/>
                                <DataGridTextColumn Header="Target" Binding="{Binding Target.Path, Mode=OneWay}"/>
                                <DataGridCheckBoxColumn Header="Met Expection" Binding="{Binding MetExpectation, Mode=OneWay}"/>
                                <DataGridTextColumn Header="Message" Binding="{Binding Message, Mode=OneWay}"/>
                                <DataGridTemplateColumn  Header="Parameters">
                                    <DataGridTemplateColumn.CellTemplate>
                                        <DataTemplate>
                                            <StackPanel>
                                                <ListView ItemsSource="{Binding EpectArguments}"></ListView>
                                            </StackPanel>
                                        </DataTemplate>
                                    </DataGridTemplateColumn.CellTemplate>
                                </DataGridTemplateColumn>
                                <DataGridTextColumn Header="Error" Binding="{Binding EpectException.Message, Mode=OneWay}"/>
                            </DataGrid.Columns>

                        </DataGrid>
                    </StackPanel>
                </DataTemplate>
            </DataGrid.RowDetailsTemplate>
        </DataGrid>

    </Grid>
</Window>