title: Cant recognize class in webform project
body: <p>In my web form project I opened a folder called App_Code inside that folder I have class named <code>Test123</code>, but when I try to create instance inside <code>WebForm1.aspx.cs</code> it doesn't recognize that type</p>
  
  <p><a href="https://i.stack.imgur.com/KteEC.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/KteEC.jpg" alt="enter image description here"></a></p>
  
  <pre><code>using System;
  using System.Collections.Generic;
  using System.Linq;
  using System.Web;
  
  namespace StephanProject_2.App_Code
  {
      public class Test123
      {
      }
  }
  </code></pre>
  
  <p>My project structure:</p>
  
  <p><a href="https://i.stack.imgur.com/0lPSp.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/0lPSp.jpg" alt="enter image description here"></a></p>
  
  <p>I tried to add <code>using StephanProject_2.App_Code;</code></p>
  
  <p>What's the problem?</p>