Dropdown Hides itself on first click

I have a drop down dialog box that hides itself on the first click. When you click on it, it expands momentarily then collapses back. Click on it again and it works fine.

Anyone seen this before? Fixes?

I’ve seen this when the data dataset is bound to something that changes the data periodically (polled SQL query) or on a property change script. You could check that the data isn’t being refreshed by either of those two things first.

Anytime the data dataset is changed the drop down will collapse back up so the new changes appear. FYI.

Thanks… Turned off poling and that did the trick.