title: How to make int array Nullable?
body: <p>I have this code:</p>
  
  <pre><code>var contractsID = contracts.Select(x =&gt; x.Id);
  int?[] contractsIDList = contractsID.ToArray();//for debug
  </code></pre>
  
  <p>In this line:</p>
  
  <pre><code>int?[] contractsIDList = contractsID.ToArray();//for debug
  </code></pre>
  
  <p>I get this error:</p>
  
  <blockquote>
    <p>Can not implicitly convert type int[] to int </p>
  </blockquote>
  
  <p>what i try to do is to make contractsIDList  Nullable type.</p>
  
  <p>How to make int array Nullable?</p>