title: Submit returning a blank page
body: <p>A blank page is returned when I try to add a new note. My code is in php and the DB is mysql</p>
  <p>This is the php code:</p>
  <pre><code>if (isset($_POST['Submit'])) {
    $candidate_id = $_POST['candidate_id'];
    $Notes = $_POST['notes'];
    if ($Notes != &quot;&quot;) {
      $sql3 = &quot;INSERT INTO notes (notes_id, candidate_id, notes) VALUES(DEFAULT,'$candidate_id','$Notes')&quot;;
      $result3=mysql_query($sql3);
      if (!$result3) {
        die('Error: ' . mysql_error());
      }
      echo &quot;&lt;/br&gt;1 note added&quot;
    }
  }
  mysql_close();
  </code></pre>
  <p>The code for the form</p>
  <pre><code>&lt;div id=&quot;tab3&quot;&gt;
    &lt;h2&gt; Notes &lt;/h2&gt;
    &lt;dl&gt;
      &lt;dt&gt;Notes&lt;/dt&gt;
      &lt;dd&gt;
        &lt;textarea id=&quot;notes&quot; style=&quot;width: 80%; height: 150px;&quot; name=&quot;notes&quot;&gt;&lt;/textarea&gt;
      &lt;/dd&gt;
    &lt;/dl&gt;
    &lt;?php
      echo &quot;&lt;a href =newCandidate.php?id=$contact_id&gt;&lt;input style =\&quot;right:2em; bottom:1em;\&quot; type =\&quot;button\&quot; name =\&quot;update\&quot; value =\&quot;Submit\&quot;&gt;&lt;/a&gt;&quot;;
    ?&gt;
  &lt;/div&gt;
  </code></pre>