<html>
  <head>
    <meta content="text/html; charset=windows-1252"
      http-equiv="Content-Type">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    One way that I've done it is to use the function $rownum . It will
    number sequentially according to the number of rows. <br>
    <br>
    Hope that helps. <br>
    <br>
    Randy<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 01/07/2015 09:16 AM, Federico
      Lazzaroni wrote:<br>
    </div>
    <blockquote
cite="mid:CAFRoW1t9cFWWO9VrUfsu6R9K-LrWXdzj+F6_vdHMRFKKvFPoJw@mail.gmail.com"
      type="cite">
      <div dir="ltr">
        <div>Sorry a question for me important. I've  to populate field
          "id" wit more 500 number, from 0 to 500. I don't remeber the
          function in ' Calculate'. Thanks.<br>
        </div>
        Federico Lazzaroni<br>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
Qgis-user mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Qgis-user@lists.osgeo.org">Qgis-user@lists.osgeo.org</a>
<a class="moz-txt-link-freetext" href="http://lists.osgeo.org/mailman/listinfo/qgis-user">http://lists.osgeo.org/mailman/listinfo/qgis-user</a></pre>
    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">-- 
-----------------
Randal Hale
North River Geographic Systems, Inc
<a class="moz-txt-link-freetext" href="http://www.northrivergeographic.com">http://www.northrivergeographic.com</a>
423.653.3611 <a class="moz-txt-link-abbreviated" href="mailto:rjhale@northrivergeographic.com">rjhale@northrivergeographic.com</a>
twitter:rjhale     <a class="moz-txt-link-freetext" href="http://about.me/rjhale">http://about.me/rjhale</a>
<a class="moz-txt-link-freetext" href="http://www.northrivergeographic.com/spatial-connect">http://www.northrivergeographic.com/spatial-connect</a></pre>
  </body>
</html>