title: Request a key from web.config to a .cs file
body: <p>The Scenario:</p>
  
  <p>i have in web.config in appSettings a key:</p>
  
  <pre><code>&lt;add key="stylet" value="http://localhost/style.css"/&gt;
  </code></pre>
  
  <p>i have an .cs file with the following code:</p>
  
  <pre><code>response.ContentType = "text/html";
  response.Write("&lt;html&gt;");
  response.Write("&lt;head&gt;");
  response.Write(@"&lt;title&gt;See the page&lt;/title&gt;");
  response.Write(@"&lt;link rel='stylesheet' type='text/css' /&gt;");
  response.Write("&lt;/head&gt;");
  response.Write("&lt;body&gt;");
  response.Write("&lt;br /&gt;&lt;table style='width: 500px'&gt;");
  response.Write("&lt;tr&gt;&lt;td class='ArticleIntro'&gt;");
  response.Write(propertyValue);
  response.Write("&lt;/td&gt;&lt;/tr&gt;");
  response.Write("&lt;/table&gt;");
  response.Write("&lt;/body&gt;");
  response.Write("&lt;/html&gt;");
  </code></pre>
  
  <p>The Question:</p>
  
  <p>How do i request the key in the .cs file?</p>