Binding two datagrid in one to many relationship

Question

hello all,
I've my 2 object that rappresent that describe my XML file:
public class Page
public string PageName { get; set; }
public string Description { get; set; }
public ObservableCollection<Param> Params;
public class Param
public string Name { get; set; }
public string Address { get; set; }
public string Format { get; set; }
public string Description { get; set; }
The first datagrid, is populated in this way:
<Window x:Class="DataGridXML2.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525"
DataContext="{Binding Main, Source={StaticResource Locator}}">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="200" />
<ColumnDefinition Width="400*" />
</Grid.ColumnDefinitions>
<DataGrid Name="grid1"
ItemsSource="{Binding Pages}"
SelectedItem="{Binding SelectedPage}"
AutoGenerateColumns="False">
<DataGrid.Columns>
<DataGridTextColumn Header="pageName" Binding="{Binding PageName}"/>
<DataGridTextColumn Header="description" Binding="{Binding Description}"/>
</DataGrid.Columns>
</DataGrid >
</Grid>
</Window>
I'm in difficulty, I would show in a second grid list of parameters contained in the list "Params" by the selection of the item of the first grid. My ViewModel is :
namespace DataGridXML2.ViewModel
public class MainViewModel : ViewModelBase
private readonly IConfigService configService;
#region Pages
private ObservableCollection<Page> pages;
public ObservableCollection<Page> Pages
get { return pages; }
set
pages = value;
RaisePropertyChanged(() => Pages);
#endregion
#region SelectedPage
private Page selectedPage;
public Page SelectedPage
get
return selectedPage;
set
selectedPage = value;
RaisePropertyChanged(() => SelectedPage);
#endregion
/// <summary>
/// Initializes a new instance of the MainViewModel class.
/// </summary>
public MainViewModel(IConfigService configService)
this.configService = configService;
pages = configService.GetPages(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + @"\Visual Studio 2013\Projects\Binding\DataGridXML2\TEST.xml");
thanks in advance

Answer 1

Not sure if I'm missing something.
Isn't it just a matter of:
<DataGrid Name="grid2"
ItemsSource="{Binding SelectedPage.Params}"
Hope that helps.
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