title: Generating c# classes from xsd with attributes
body: <p>I need to give support for an old project and i dont have much experince with xsd .
  Project run xsd.exe on DataSet.xsd file and generate DataSet.cs file which include genarated c# classes.</p>
  <p>I need a flag or attribute on properties of genarated classes .I add a new attribute to xsd file with name <strong>&quot;intradaySupport&quot;</strong> .And i try both as attribute and annotation as in figure below but generated class in DataSet.cs have noting with <strong>&quot;intradaySupport&quot;</strong>.</p>
  <p>How should i update my  DataSet.xsd file so final genarated classes have marked with a flag or attribute.</p>
  <p><a href="https://i.stack.imgur.com/9fbIk.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/9fbIk.png" alt="enter image description here" /></a></p>
  <p><a href="https://i.stack.imgur.com/oY9aK.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/oY9aK.png" alt="enter image description here" /></a></p>
  <p><strong>Full of content atached on link just put content to files stated and run xsd</strong></p>
  <p>CDBDataSet.xsd
  <a href="https://pastebin.com/e0DPAxgb" rel="nofollow noreferrer">https://pastebin.com/e0DPAxgb</a><br />
  CustomFields.xsd
  <a href="https://pastebin.com/e0DPAxgb" rel="nofollow noreferrer">https://pastebin.com/ScS3whrY</a></p>
  <pre><code>enter code here
  </code></pre>