title: Why GET Method data not enter to database in one same page
body: <p>I want to get id data to enter value to database
  First Script, it's work.
  But in second script not work.
  This is my first script</p>
  
  <pre><code>&lt;?php
          include 'connect.php';
          $id_event=$_GET['id_event']; //it's work
          $assign="SELECT * FROM event where id_event='".$id_event."'";
          $show_data=mysql_query($assign);
          while($row=mysql_fetch_row($show_data))
              {
  
      ?&gt; 
  </code></pre>
  
  <p>This is my second sript</p>
  
  <pre><code>    $id_event=$_GET["id_event"];
      $track_id = $_POST["track_id"];
  
  
      case "upload":
      $action = "upload";
      $values = "'".$track_id."','".$id_event."'"; //this is the problem
      $field = "track_id,id_event";               //$id_event not enter to  database
  </code></pre>