title: String.Format - integer, thousands separator, no decimal
body: <p>what is the simplest String.Format template to format an integer with a thousands separator (comma) and no decimal places? en-US culture. Examples of desired formatting:</p>
  
  <pre><code>1200 = 1,200
  
  900 = 900
  
  8 = 8
  </code></pre>
  
  <p>thanks!</p>