Values in event with ajax enabled

Hello, I need some help on this issue.

I need to know how to get the values from a dropdown list which is ajax enabled in an event. Is this possible and how do I do this?

Thanks in advance for any reply

Josef <img src='https://asprunner.com/forums/file.php?topicimage=1&fieldname=question&id=6935&image=1&table=forumtopics' class='bbc_emoticon' alt=':unsure:' />