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POSearch XDocument using LINQ without knowing the namespace
 

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    <p>Is there a way to search an XDocument without knowing the namespace? I have a process that logs all SOAP requests and encrypts the sensitive data. I want to find any elements based on name. Something like, give me all elements where the name is CreditCard. I don't care what the namespace is.</p> <p>My problem seems to be with LINQ and requiring a xml namespace.</p> <p>I have other processes that retrieve values from XML, but I know the namespace for these other process.</p> <pre><code>XDocument xDocument = XDocument.Load(@"C:\temp\Packet.xml"); XNamespace xNamespace = "http://CompanyName.AppName.Service.Contracts"; var elements = xDocument.Root .DescendantsAndSelf() .Elements() .Where(d =&gt; d.Name == xNamespace + "CreditCardNumber"); </code></pre> <p>I really want to have the ability to search xml without knowing about namespaces, something like this:</p> <pre><code>XDocument xDocument = XDocument.Load(@"C:\temp\Packet.xml"); var elements = xDocument.Root .DescendantsAndSelf() .Elements() .Where(d =&gt; d.Name == "CreditCardNumber") </code></pre> <p>This will not work because I don't know the namespace beforehand at compile time.</p> <p>How can this be done?</p> <pre><code>&lt;s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"&gt; &lt;s:Body xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"&gt; &lt;Request xmlns="http://CompanyName.AppName.Service.ContractA"&gt; &lt;Person&gt; &lt;CreditCardNumber&gt;83838&lt;/CreditCardNumber&gt; &lt;FirstName&gt;Tom&lt;/FirstName&gt; &lt;LastName&gt;Jackson&lt;/LastName&gt; &lt;/Person&gt; &lt;Person&gt; &lt;CreditCardNumber&gt;789875&lt;/CreditCardNumber&gt; &lt;FirstName&gt;Chris&lt;/FirstName&gt; &lt;LastName&gt;Smith&lt;/LastName&gt; &lt;/Person&gt; ... &lt;s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"&gt; &lt;s:Body xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"&gt; &lt;Request xmlns="http://CompanyName.AppName.Service.ContractsB"&gt; &lt;Transaction&gt; &lt;CreditCardNumber&gt;83838&lt;/CreditCardNumber&gt; &lt;TransactionID&gt;64588&lt;/FirstName&gt; &lt;/Transaction&gt; ... </code></pre>
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