title: How to use Linq and the IN clause
body: <p>Here is my code</p>
  
  <pre><code>if (catid != 0)
              posts = posts.Where(x =&gt; x.catid IN '1,8,2,109,23');
  </code></pre>
  
  <p>The <strong>in</strong> in this code shows as a syntax error. Is there a way to fix this</p>