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POIs it possible to bind WPF Combobox.SelectedValue to multiple ObjectDataProviders?
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  1. POIs it possible to bind WPF Combobox.SelectedValue to multiple ObjectDataProviders?
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    copied!<p>Trying to determine if it is possible to bind the SelectedValue of a ComboBox to the inputs of multiple ObjectDataProviders with XAMAL Bindings.</p> <p>I looked at MultiBinding but that appears to be grouping multiple controls together, not exactly what I'm looking to day.</p> <p>I'd like to be able to have the ComboBox (locations) change the TextBlock (deviance) which it does AND to call the ObjectDataProvider (CommentProvider) to update the TextBox (locationComments).</p> <p>This is fairly straightforward in a code-behind but would prefer to not go this route as a learning experience.</p> <p>XAMAL CODE</p> <pre><code>&lt;Window.Resources&gt; &lt;ObjectDataProvider x:Key="LocationProvider" ObjectType="{x:Type srv:ServiceClient}" IsAsynchronous="True"MethodName="GetAssignedLocations" /&gt; &lt;ObjectDataProvider x:Key="DevianceProvider" ObjectType="{x:Type srv:ServiceClient}" IsAsynchronous="True" MethodName="GetPercentChange"&gt; &lt;ObjectDataProvider.MethodParameters&gt; &lt;system:String&gt;Location1&lt;/system:String&gt; &lt;/ObjectDataProvider.MethodParameters&gt; &lt;/ObjectDataProvider&gt; &lt;ObjectDataProvider x:Key="CommentProvider" ObjectType="{x:Type srv:ServiceClient}" IsAsynchronous="True" MethodName="GetCommentByBusinessUnit"&gt; &lt;ObjectDataProvider.MethodParameters&gt; &lt;system:String&gt;Location1&lt;/system:String&gt; &lt;/ObjectDataProvider.MethodParameters&gt; &lt;/ObjectDataProvider&gt; &lt;/Window.Resources&gt; &lt;ComboBox Height="23" HorizontalAlignment="Left" Margin="12,12,0,0" Name="locations" VerticalAlignment="Top" ItemsSource="{Binding Source={StaticResource LocationProvider}}" DisplayMemberPath="BuName" SelectedValuePath="BuKey" SelectionChanged="locations_SelectionChanged"&gt; &lt;ComboBox.SelectedValue&gt; &lt;Binding Source="{StaticResource DevianceProvider}" Path="MethodParameters[0]" BindsDirectlyToSource="True" Mode="OneWayToSource" /&gt; &lt;/ComboBox.SelectedValue&gt; &lt;TextBlock Name="deviance" Height="23" Margin="0,0,645,17" Width="40" Text="{Binding Source={StaticResource DevianceProvider}}" IsEnabled="False" /&gt; &lt;TextBox Height="23" Margin="0,0,181,17" Name="locationComments" Width="350" /&gt; </code></pre>
 

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