title: SubString StringBuilder c#
body: <p>I'm trying :</p>
  
  <pre><code>1  string pal = "Juan     1David     1Correa";
  2  StringBuilder sb = new StringBuilder(pal);
  3  Console.writeline( sb.ToString(0,9) );
  4  Console.writeline( sb.ToString(10,14) );
  5  Console.writeline( sb.ToString(15,26) );
  </code></pre>
  
  <p>But in the 4 line It throws an exception.</p>
  
  <p>Why?</p>