title: Check Whether a TextBox is empty or not
body: <p>I have a TextBox. And I want to check if it's empty.</p>
  
  <p>Which way is better</p>
  
  <pre><code>if(TextBox.Text.Length == 0)
  </code></pre>
  
  <p>or</p>
  
  <pre><code>if(TextBox.Text == '')
  </code></pre>
  
  <p>?</p>