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POTroubles searching xml document with LINQ
 

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  1. POTroubles searching xml document with LINQ
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    <p>I have an xml document that has 3 elements in this format:</p> <pre><code>&lt;Codes&gt; &lt;Code&gt; &lt;CodeScenario&gt;3&lt;/CodeScenario&gt; &lt;CodeScenario&gt;4&lt;/CodeScenario&gt; &lt;CodeScenario&gt;6&lt;/CodeScenario&gt; &lt;CodeScenario&gt;7&lt;/CodeScenario&gt; &lt;CodeCategory&gt;Category3&lt;/CodeCategory&gt; &lt;CodeID&gt;043&lt;/CodeID&gt; &lt;CodeDescription&gt;Description3&lt;/CodeDescription&gt; &lt;CodeType&gt;PE&lt;/CodeType&gt; &lt;/Code&gt; &lt;Code&gt; &lt;CodeCategory&gt;Category2&lt;/CodeCategory&gt; &lt;CodeID&gt;046&lt;/CodeID&gt; &lt;CodeDescription&gt;Description2&lt;/CodeDescription&gt; &lt;CodeType&gt;PE&lt;/CodeType&gt; &lt;/Code&gt; &lt;Code&gt; &lt;CodeScenario&gt;2&lt;/CodeScenario&gt; &lt;CodeCategory&gt;Category1&lt;/CodeCategory&gt; &lt;CodeID&gt;100&lt;/CodeID&gt; &lt;CodeDescription&gt;Description1&lt;/CodeDescription&gt; &lt;CodeType&gt;PR&lt;/CodeType&gt; &lt;/Code&gt; &lt;/Codes&gt; </code></pre> <p>I'd like to be able to use a linq query to tell me if a code element has a codetype based on ID. This is what I've come up with so far. It works but it's ugly and I'd prefer to use dot notation if possible. Can anybody help me out?</p> <pre><code>public bool HasCodeType(string CodeType, string Code) { var QueryResult = (from descendant in XMLdocument.Descendants("Code") from type in descendant.Elements("CodeType") where type != null &amp;&amp; type.Value.Equals(CodeType) select new { CID = descendant.Element("CodeID").Value }).Distinct(); foreach (var result in QueryResult) { if (Code == result.CID) return true; } return false; } </code></pre>
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    1. PO
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    1. USTresto
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    2. VO
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    1. COIt would really help if you'd give us *complete* XML rather than just an incomplete snippet (no values!)
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      1. USJon Skeet
    2. COi added a more complete xml sample
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    3. COOkay... and have you tried the code in my answer?
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      1. USJon Skeet
 

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