View_20_10

 <ListBox ItemsSource="{Binding Adressdatenliste}" SelectedItem="{Binding AddData}">
                                        <ListBox.ItemTemplate>
                                            <DataTemplate>
                                                <StackPanel Orientation="Horizontal">
                                                    <TextBlock Text="{Binding Straße}" Margin="5,0,5,0"/>
                                                    <TextBlock Text="{Binding Hausnummer}" Margin="5,0,5,0"/>
                                                    <TextBlock Text="{Binding Plz}" Margin="5,0,5,0"/>
                                                    <TextBlock Text="{Binding Ort}" Margin="5,0,5,0"/>
                                                    <TextBlock Text="{Binding Land}" Margin="5,0,5,0"/>
                                                    <TextBlock Text="{Binding AdressTyp}" Margin="5,0,5,0"/>
                                                </StackPanel>
                                            </DataTemplate>
                                        </ListBox.ItemTemplate>
                                    </ListBox>
/* An dieser Stelle soll die Textbox durch eine ComboBox ersetzt werden, welche dann bereits mit Werten gefüllt ist. */
 <DockPanel Grid.Row="5" Grid.Column="1" Margin="5,5,5,5"  Visibility="{Binding Anzeigeändern, Converter={StaticResource bool2vis}, Mode=OneWay}">
                                        <TextBox Text="{Binding AddData.AdressTyp}" VerticalAlignment="Center" HorizontalAlignment="Left" Width="250" />
                                    </DockPanel>


/* Ähnlich wie bei dieser Hier */

<DockPanel Grid.Row="5" Grid.Column="1" Margin="5,5,5,5" Visibility="{Binding Anzeigeändern1, Converter={StaticResource bool2vis}, Mode=OneWay}">
                                        <ComboBox ItemsSource="{Binding Adresstypenliste}" VerticalAlignment="Center" HorizontalAlignment="Left" Width="250"  SelectedItem="{Binding AddTyp}">
                                            <ComboBox.ItemTemplate>
                                                <DataTemplate>
                                                    <StackPanel Orientation="Horizontal">
                                                        <TextBlock Text="{Binding Adresstyp}"/>
                                                        <TextBlock Text="{Binding ID_Adresstyp}" Visibility="Hidden"/>
                                                    </StackPanel>
                                                </DataTemplate>
                                            </ComboBox.ItemTemplate>
                                        </ComboBox>