title: How to get value through xpath for repeating tags,it's like key value pair
body: <p>I am developing very dynamic application. I have the below xml as input request.I am querying below through xpath.For example ,I have to get the perticular value of UpdateTime.how can i write the xpath to get the value of this field.The problem is the order of AdditionalData tag can be change.</p>
  
  <p>What can i put the logic here...?</p>
  
  <pre><code>&lt;InputData&gt;
    &lt;AdditionalData&gt;
      &lt;Name&gt;TransmissionDatetime&lt;/Name&gt;
      &lt;Value&gt;20101130121706&lt;/Value&gt;
    &lt;/AdditionalData&gt;
    &lt;AdditionalData&gt;
      &lt;Name&gt;UpdateDate&lt;/Name&gt;
      &lt;Value&gt;20101130121604&lt;/Value&gt;
    &lt;/AdditionalData&gt;
    &lt;AdditionalData&gt;
      &lt;Name&gt;TimeofArrival&lt;/Name&gt;
      &lt;Value&gt;20101130161705&lt;/Value&gt;
    &lt;/AdditionalData&gt;
    &lt;AdditionalData&gt;
      &lt;Name&gt;Part&lt;/Name&gt;
      &lt;Value&gt;20101130161236&lt;/Value&gt;
    &lt;/AdditionalData&gt;
    &lt;AdditionalData&gt;
      &lt;Name&gt;SiteID&lt;/Name&gt;
      &lt;Value&gt;1520537&lt;/Value&gt;
    &lt;/AdditionalData&gt;
  &lt;/InputData&gt;
  </code></pre>
  
  <p>Can any one help me and give some idea.....???</p>