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POC# XmlNode has ancestor type
 

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    <p>I have an XmlDocument in the format below. If I perform the following search</p> <pre><code>XmlNode title = xmlDoc.SelectNodes("//Book/Title[contains(., \"Title3\")]"); </code></pre> <p>I will get back an XmlNode which is a title. How do I find out if that book falls under publications? I don't always want to assume that title.ParentNode.ParentNode.ParentNode exists. There should be an intuitive way to say:</p> <pre><code>if(title.hasAncestor("Publication") != null) { // do whatever } </code></pre> <p>Any help will be greatly appreciated</p> <pre><code>&lt;Publications&gt; &lt;Novel&gt; &lt;Book&gt; &lt;Title&gt;Title1&lt;/Title&gt; &lt;Author&gt;Author1&lt;/Author&gt; &lt;Year&gt;2000&lt;/Year&gt; &lt;/Book&gt; &lt;Book&gt; &lt;Title&gt;Title2&lt;/Title&gt; &lt;Author&gt;Author2&lt;/Author&gt; &lt;Year&gt;2000&lt;/Year&gt; &lt;/Book&gt; &lt;/Novel&gt; &lt;History&gt; &lt;Book&gt; &lt;Title&gt;Title3&lt;/Title&gt; &lt;Author&gt;Author3&lt;/Author&gt; &lt;Year&gt;2000&lt;/Year&gt; &lt;/Book&gt; &lt;Book&gt; &lt;Title&gt;Title4&lt;/Title&gt; &lt;Author&gt;Author4&lt;/Author&gt; &lt;Year&gt;2000&lt;/Year&gt; &lt;/Book&gt; &lt;/History&gt; &lt;/Publications&gt; &lt;StudyGuides&gt; &lt;Math&gt; &lt;Book&gt; &lt;Title&gt;Title5&lt;/Title&gt; &lt;Author&gt;Author5&lt;/Author&gt; &lt;Year&gt;2000&lt;/Year&gt; &lt;/Book&gt; &lt;Book&gt; &lt;Title&gt;Title6&lt;/Title&gt; &lt;Author&gt;Author6&lt;/Author&gt; &lt;Year&gt;2000&lt;/Year&gt; &lt;/Book&gt; &lt;/Math&gt; &lt;Science&gt; &lt;Book&gt; &lt;Title&gt;Title7&lt;/Title&gt; &lt;Author&gt;Author7&lt;/Author&gt; &lt;Year&gt;2000&lt;/Year&gt; &lt;/Book&gt; &lt;Book&gt; &lt;Title&gt;Title8&lt;/Title&gt; &lt;Author&gt;Author8&lt;/Author&gt; &lt;Year&gt;2000&lt;/Year&gt; &lt;/Book&gt; &lt;/Science&gt; &lt;/StudyGuides&gt; </code></pre>
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