title: Group by two fields in Crystal Reports
body: <p>How can I group by two different fields in a Crystal Report?</p>
  
  <p>Foe example :</p>
  
  <pre><code>val1|val2|val3|val6
  val1|val12|val3|val7
  val11|val2|val3|val8
  val11|val12|val3|val9
  </code></pre>
  
  <p>I want the report to look like </p>
  
  <pre><code>val1 :
  =======
  val2 
  ----
  val3|val6
  
  val12
  -------
  val3|val7
  
  val11  :
  =========
  val2
  -----
  val3|val8
  
  val12 :
  ------
  val3|val9
  </code></pre>