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POHow to bind a control to an element of a XmlDocument in the ViewModel (MVVM Pattern)?
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4766624
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AcceptedAnswerId
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4
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CreationDate
2011-01-22T07:12:28.460
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2017-02-05T19:51:38.617
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2017-02-05T19:51:38.617
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563401
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Body
I'm trying to bind a TextBlock to an element of a XML document, it works fine if the source is a StaticResouce, but I cannot figure out the syntax to bind to the same XML document when exposed through ViewModel. Here's the XML document: <pre><code><Books> <Book ID="1" Name="ABC" /> <Book ID="2" Name="DEF" /> <Book ID="3" Name="XYZ" /> </Books> </code></pre> Binding to a StaticResource = SUCCESSFUL The resource file contains a XmlDataProvider with reference to Books.xml: <pre><code><XmlDataProvider x:Key="data" Source="Books.xml"/> </code></pre> And here's how I'm binding to the xml file. <pre><code><TextBlock Text="{Binding Source={StaticResource data},XPath=/Books/Book/@Name}"/> <XmlDataProvider x:Key="data" Source="../Views/Data.xml" /> </code></pre> As I said before, the binding above works fine and it displays "ABC". However, that XmlDocument is supposed to come from SQL Server and exposed through ViewModel (MVVM Pattern). Binding to ViewModel = FAILED The Books property from the ViewModel is populated with the exactly same XML (see above): <pre><code>public XmlDocument Books { get; set; } </code></pre> And here's the syntax that I'm using to bind to ViewModel: <pre><code><TextBlock Text="{Binding Books,XPath=/Books/Book/@Name}" /> </code></pre> It doesn't return anything and I'm getting the following error message: <blockquote> BindingExpression with XPath cannot bind to non-XML object. </blockquote> Any help is greatly appreciated.
Tags
<wpf><xaml><mvvm><binding><xmldocument>
Title
How to bind a control to an element of a XmlDocument in the ViewModel (MVVM Pattern)?
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