Ich habe ein Listview Item mit einem Gridview Child, gebunden an eine Liste von Objekten. Unterhalb der Gridview habe ich Texboxen um den Inhalt der Gridview (gebunden an die Gridview) zu bearbeiten. Ich kann neuen Inhalt hinzufügen (der in der GridView angezeigt wird). Wenn i Inhalt bearbeiten, ist es in der Tat (in der Objektliste) bearbeitet, aber nicht in der Gridview angezeigt (das Gridview zu aktualisieren scheint nicht)WPF Listview + GridView - Ansicht nicht aktualisieren
XAML-Code:
<!-- ========= -->
<!-- root Grid -->
<!-- ========= -->
<Grid x:Name="root" Margin="10,10,10,10">
<Grid.RowDefinitions>
<RowDefinition Height="*" />
<RowDefinition Height="25" />
<RowDefinition Height="25" />
<RowDefinition Height="40" />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="40" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<!-- ========= -->
<!-- Data Grid -->
<!-- ========= -->
<ListView x:Name="dataGrid" Grid.Row="0" Grid.ColumnSpan="2" ItemsSource="{Binding}">
<ListView.View>
<GridView>
<!-- first solution -->
<GridViewColumn x:Name="gridColumnName" Header="Name" Width="160">
<GridViewColumn.CellTemplate>
<DataTemplate>
<ContentControl Content="{Binding Path=Name, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<!-- second solution -->
<GridViewColumn x:Name="gridColumnPath" Header="Path" DisplayMemberBinding="{Binding Path=Path}" Width="490" />
</GridView>
</ListView.View>
</ListView>
<!-- ========= -->
<!-- Edit Menu -->
<!-- ========= -->
<Label Content="Name:" Grid.Row="1" Grid.Column="0" VerticalAlignment="Bottom" HorizontalAlignment="Left"/>
<TextBox x:Name="txtBoxName" Grid.Row="1" Grid.Column="1" Width="250" VerticalAlignment="Bottom" HorizontalAlignment="Left"
DataContext="{Binding ElementName=dataGrid, Path=SelectedItem}"
Text="{Binding Path=Name, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
<Label Content="Path:" Grid.Row="2" Grid.Column="0" VerticalAlignment="Bottom" HorizontalAlignment="Left" />
<TextBox x:Name="txtBoxPath" Grid.Row="2" Grid.Column="1" VerticalAlignment="Bottom" HorizontalAlignment="Stretch"
DataContext="{Binding ElementName=dataGrid, Path=SelectedItem}"
Text="{Binding Path=Path, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
Objektliste Klasse:
class ItemList : ObservableCollection<LdapItem>
{
public ItemList()
: base()
{
}
}
Objektklasse:
class LdapItem : INotifyPropertyChanged
{
#region constructor
public LdapItem(String name, String path)
{
this.iD = Guid.NewGuid().ToString();
this.name = name;
this.path = path;
}
#endregion
#region public proterties
public String ID
{
get { return iD; }
}
public String Name
{
get { return name; }
set { name = value; }
}
public String Path
{
get { return path; }
set { path = value; }
}
#endregion
#region public methods
public void OnPropertyChanged(string prop)
{
if (PropertyChanged != null)
PropertyChanged(this, new PropertyChangedEventArgs(prop));
}
#endregion
#region private variables
private String name = String.Empty;
private String path = String.Empty;
private String iD = String.Empty;
#endregion
public event PropertyChangedEventHandler PropertyChanged;
}
irgendwelche Ideen, warum updati ng GridView funktioniert nicht?