title: XML to CSV in C# newbie
body: <p>Hello Guys i need help with this xml data.</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;xml-data xmlns="http://www.lucom.com/ffw/xml-data-1.0.xsd"&gt;
  &lt;form&gt;catalog://Unternehmen/ust/ZM_Formular_online&lt;/form&gt;
  &lt;instance&gt;
  
  &lt;dataset id="tbl_ZM_tabelle"&gt;
    &lt;datarow&gt;
      &lt;element id="knre1"&gt;AT&lt;/element&gt;
      &lt;element id="knre2"&gt;U18713701&lt;/element&gt;
      &lt;element id="umsatz_art"&gt;0&lt;/element&gt;
      &lt;element id="betrag"&gt;7605&lt;/element&gt;
      &lt;element id="zeile_m"&gt;1&lt;/element&gt;
    &lt;/datarow&gt;
  </code></pre>
  
  <p>I want to write a csv data by using the knre1,knre2 and "betrag" id's. Its always the same name.
  It should be looking like this</p>
  
  <p>AT;U18713701;7605</p>
  
  <p>Iam a totally newbie in c# and i need the help. </p>