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POHow to use Nested Views in WPF MVVM
 

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  1. POHow to use Nested Views in WPF MVVM
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    <p>Hi I am trying to understand the best practise to use nested views.</p> <p>I have an 'Attribute' View which is bound to collection of name value pairs in the view model. I need to reuse this at various places in my UI.</p> <p>I have another 'Condition View' which has a string property and Dictionary(string,string) collection. I tried to create a text box and add the Attribute View control in the XAML</p> <pre><code> &lt;StackPanel&gt; &lt;StackPanel Orientation="Horizontal"&gt; &lt;Label Content="{x:Static l:StringResources.ConditionViewLabelText}" /&gt; &lt;TextBox Text="{Binding Type,Mode=TwoWay}" Width="100" /&gt; &lt;/StackPanel&gt; &lt;vw:AttributeView /&gt; &lt;/StackPanel&gt; </code></pre> <p>I want to bind the AttributeView's bound property to the Dictionary(string,string)'s collection property of the parent view model. Whats the best way to do it. I am not able to bind the vw:AttributeView to a ConditionViewModels ?</p> <p>Can you please let me know the best practise to do this?</p> <p>-- EDIT Please find my AttributeView (This is the child view's xaml code). The data template is bound to an observable collection on the AttributeViewModel</p> <pre><code> &lt;StackPanel&gt; &lt;ItemsControl ItemsSource="{Binding AllAttributes}"&gt; &lt;ItemsControl.ItemTemplate&gt; &lt;DataTemplate&gt; &lt;StackPanel Orientation="Horizontal"&gt; &lt;TextBox Width="100" Text="{Binding Name, Mode=TwoWay}" Margin="5,0,5,0" /&gt; &lt;TextBox Width="100" Text="{Binding Value, Mode=TwoWay}" Margin="5,0,5,0" /&gt; &lt;TextBlock Width="100" Text="{Binding KeyValue, Mode=OneWay}" /&gt; &lt;Button Width="50" Content="{x:Static l:StringResources.AttributeViewButtonDeleteText}" Command="{Binding Path=DataContext.DeleteAttribute, ElementName=AttributeControl}" CommandParameter="{Binding Name}"&gt;&lt;/Button&gt; &lt;/StackPanel&gt; &lt;/DataTemplate&gt; &lt;/ItemsControl.ItemTemplate&gt; &lt;/ItemsControl&gt; &lt;Button Name="btnSomething" Content="{x:Static l:StringResources.AttributeViewButtonAddText}" Command="{Binding AddNewAttribute}" /&gt; &lt;/StackPanel&gt; &lt;/Grid&gt; </code></pre>
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    1. COYou need to supply a bit more information here, can you please show your ViewModel code, especially the relationship between the two view models.
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    2. COHi ColinE (Thanks for the reply), My two ViewModels are not related at all currently. Should the View hierarchy be replicated in the ViewModel level too. As In should the Parent View's view model have a pulbic property of type Child view's viewmodel.
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    3. COHey there was one answer for my question but it got deleted. Strange :(
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