title: How to solve Dataset Error - DataSet doesn't support 'union' or 'list' as simpleType
body: <p>I need to convert some XML (it seem that the XML complitated structure) to C# dataset.</p>
  
  <p>So at first I tried to create dataset structure from XSD with:</p>
  
  <pre><code>ds.ReadXml(@"D:\data_RUIAN\ruian\xsd\vymenny_format\VymennyFormatTypy.xsd", XmlReadMode.Auto);
  </code></pre>
  
  <p>But it´s trowing an arror: <strong>DataSet doesn't support 'union' or 'list' as simpleType</strong></p>
  
  <p>Next I try to avoid loading XSD, so I load the source XML file directly:</p>
  
  <pre><code>ds.ReadXml(@"D:\data_RUIAN\data\20130831_OB_577405_UKSH.xml", XmlReadMode.Auto);
  </code></pre>
  
  <p>But it´s trowing anothe error - <strong>Nested table 'Point' which inherits its namespace cannot have multiple parent tables in different namespaces.</strong></p>
  
  <p>Please can you help me solve this?
  Tahnks a lot!</p>
  
  <p>Btw: XML is valid, I tried XSD2DB, xsd.exe., svcutil too but with no progress</p>