title: using directive is unnecessary visual studio - random class
body: <p>I want to use Random class but I got this error message:</p>
  
  <pre><code>using directive is unnecessary visual studio
  </code></pre>
  
  <hr>
  
  <pre><code>using System;
  using System.Collections.Generic;
  using System.Linq;
  using System.Text;
  using System.IO;
  using System.Net.Sockets;
  using System.Random; //I got this error at this line
  
  namespace Mikrotik
  {
  ....
  </code></pre>