<div dir="ltr">You can set maximum number of values users can enter for this field to be one. <div><br></div><div>Go to admin >> select the field from content type >> update the number of values<br><div><br></div><div>If you want to keep this settings as unlimited then you can use form validation function. </div><div><br></div><div>Thanks, </div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jan 14, 2015 at 9:01 AM, Nancy Wichmann <span dir="ltr"><<a href="mailto:nan_wich@bellsouth.net" target="_blank">nan_wich@bellsouth.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"><div><span>I have a file field that has unlimited cardinality (and needs to). But I need to only allow one upload per submission. Does anyone know how to do this?<br></span></div><div> </div><br></div></div><br>--<br>
[ Drupal support list | <a href="http://lists.drupal.org/" target="_blank">http://lists.drupal.org/</a> ]<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr">Thanks<br>Muhammed Naushad<br>Web Developer<br>+971529187882,+919744663973<br><a href="http://stunningspider.com" target="_blank">http://stunningspider.com</a></div></div>
</div>