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POA 'Binding' cannot be set on the 'Source' property of type 'Binding'
 

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    <p>A 'Binding' cannot be set on the 'Source' property of type 'Binding'. A 'Binding' can only be set on a DependencyProperty of a DependencyObject.</p> <pre><code> &lt;TreeView Height="400" Width="400"&gt; &lt;TreeViewItem ItemsSource="{Binding Source={Binding Path=Data}, XPath=*, Converter={StaticResource stringToXmlDataProviderConverter},ConverterParameter=/root }" Header="header" /&gt; &lt;/TreeView&gt; </code></pre> <ul> <li><p><strong>What is wrong with ItemsSource="{Binding Source={Binding Path=Data}?</strong></p> <pre><code>Data = "&lt;root&gt;&lt;parm1&gt;1&lt;/parm1&gt;&lt;parm2&gt;2&lt;/parm2&gt;&lt;parm3&gt;3&lt;/parm3&gt;&lt;/root&gt;" </code></pre></li> </ul> <p>I try to use <a href="http://vbcity.com/blogs/xtab/archive/2009/11/14/wpf-hierarchicaldatatemplates-and-master-detail-data-display.aspx" rel="noreferrer">this</a> code sample. The differ is that I want to Bind the ItemsSource to data in datacontext. There is nothing wrong with the converter.</p> <p><strong>EDIT:</strong></p> <pre><code>&lt;TreeViewItem ItemsSource="{Binding Path=Data}" Header="Parameters" /&gt; </code></pre> <p>Fills TreeView with one element (the string). So datacontext is correct.</p> <p><strong>EDIT:</strong> This code works better. Is there a generic way to read XML in ThreeView? I don't know the structure of XML. In all examples I have seen you have to declare sub nodes types.</p> <pre><code>&lt;TreeViewItem DataContext="{Binding Path=Data, Converter={StaticResource stringToXmlDataProviderConverter}}" ItemsSource="{Binding .}" Header="Parameters" /&gt; </code></pre>
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    1. COWhat does `Data` look like? What's its data type? What are its properties?
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