Hello guys!

i'm have a DataGridCollectionViewSource with the follow code:
<xcdg:DataGridCollectionViewSource x:Key="SetorSelecao"

                                               Source="{Binding RelativeSource={RelativeSource AncestorType={x:Type me:Setor_Grid}},

                                               Path=Selecao}" AutoFilterMode="And">

                <xcdg:DataGridCollectionViewSource.ItemProperties>                   

                    <xcdg:DataGridItemProperty Name="IdSetor"

                                               Title="IdSetor"

                                               CalculateDistinctValues="False"/>                   

                    <xcdg:DataGridItemProperty Name="Setor"

                                               Title="Setor"/>                   

                    <xcdg:DataGridItemProperty Name="Situacao"

                                               Title="Situação"/>               

                </xcdg:DataGridCollectionViewSource.ItemProperties>

 </xcdg:DataGridCollectionViewSource>

And a DataGrid with the follow:
<xcdg:DataGridControl Name="dgSetor"

                      ItemsSource="{Binding Source={StaticResource SetorSelecao}}"

                      ReadOnly="True" EditTriggers="None" SelectionMode="Single" NavigationBehavior="RowOrCell" 
                      MouseDoubleClick="dgSetor_MouseDoubleClick">

</xcdg:DataGridControl>

When i click two times in Grid, its calls another window where i edit the register.
But after the edition, the grid still the same. The rows are not affected.
I tried this, like in samples:

            ((DataGridCollectionView)this.dgSetor.ItemsSource).Refresh();

But doesn’t work.
Someone can help me!?

Thanks a lot!

Hi Daniel, 

  what is the type of your "me:Setor_Grid" source? 

Hi Cristian!

Source="{Binding RelativeSource={RelativeSource AncestorType={x:Type me:Setor_Grid}},Path=Selecao}"

Where “me:” is my namespace and “Setor_Gird” is my Window, from where i catch the property "Selecao":

public partial class Setor_Grid : Window
{
   private IEnumerable selecao = null; 
   public IEnumerable Selecao
   {
      get
      {
         if (selecao == null)
         {
             selecao = Setor.Pesquisar();
         }
         return selecao;
     }
//.......

And “Setor.Pesquisar()” returns a IQueryable From a Linq.
At the first time, or when i close and open the window, its works ok. But after update the database with another window, the rows don’t change.

Any ideas!?

Thanks so much!!

Hi,

  The problem comes from your "Selecao" data source: it won't send any notifications to the DataGridCollectionView that it has changed since an IQueryable must be "queried" to provide data.

 To get your data refreshed, you should define IEnumerable Selecao as a DependencyProperty and reaffect its value with Setor.Pesquisar() when you know the other Window modified the underlying data source. This will trigger a notification that the Selecao property has changed and the binding of the DataGridCollectionViewsource must be refreshed.

Hi,

How do you go about using a Dependency Property when you bind to Linq to SQL Classes?  They inherit from System.Data.Linq.Data.Context which does not provide the SetValue method (inherited from DependencyObject).  As far as I can figure out, it is this member that triggers the change notification.

I don't see why there can't just be a Refresh method?  It would make life soooo much easier.  I'm new to this stuff, so there may be a valid reason.

Thanks,
Craig

I am trying to achieve the same here.  Chris, please could you elaborate on how to do this?  I too have a DataGridControl bound using the following XAML:

<xcdg:DataGridCollectionViewSource x:Key="xmlData" Source="{Binding RelativeSource={RelativeSource AncestorType={x:Type UserControl}}, Path=XmlData}" />

Then I have XmlData defined as thus:

public IEnumerable XmlData

    get

        var data = from order in _myDoc.Element("ROOT").Descendants("CHILDREN")

            select new

                Element1 = order.Element("ELEMENT1").Value,

                Element2 = order.Element("ELEMENT2").Value,

        return data.ToList();

    set

        SetValue(XmlDataProperty, value);

public static readonly DependencyProperty XmlDataProperty =

    DependencyProperty.Register(

    "XmlData",

    typeof(IEnumerable),

    typeof(DataGridControl),

    new PropertyMetadata(null, OnXmlDataPropertyChanged));

private static void OnXmlDataPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)

    int x = 0;

All I want to be able to do is get the DataGridControl to update when _myDoc changes by programmatically or automatically invoking some sort of refresh.