# Vision Easy Chart will not Poll **URL:** \ **Category:** Ignition\ **Tags:** ignition81\ **Created:** [January 12, 2022, 2:03am UTC](https://forum.inductiveautomation.com/t/vision-easy-chart-will-not-poll/54909 "2022-01-12T02:03:48Z")\ **Posts on this page:** 1\ **Showing post:** 7
**Author:** ![josborn](https://avatars.discourse-cdn.com/v4/letter/j/4bbf92/32.png) [@josborn](https://forum.inductiveautomation.com/u/josborn)\ **Post date:** [February 11, 2022, 2:13am UTC](https://forum.inductiveautomation.com/t/vision-easy-chart-will-not-poll/54909/7 "2022-02-11T02:13:58Z")
it was a basic test, no scripts, 1 expression, and a single tag. The first test the only thing that was not default was Chart Mode. pens: ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/f/8/f80ebd5437c570c86374fe7c5d05a967ddf6b5c8.png) For the second test all i changed was the end date: ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/5/0/50037d1368a90c4470d46d0970746c5d3b78b851.png) I confess that I don't use the easy chart very much, but how many tags are you talking about? if its not a huge number could you just add all your pens, then selectively enable/disable and hide/unhide with a script? This post may help with the disable and hide approach. > [@Easy Chart Show/Hide Pens](https://forum.inductiveautomation.com/t/easy-chart-show-hide-pens/9228/11): > > No worries. You are having a scope issue. The variable displaygroup is not defined outside of the if and else statements. I would change your code slightly to avoid this, something like: # grab the tag pen datset for modification chartdata = event.source.parent.getComponent('Easy Chart').tagPens selgroup = {"HIDDEN":0,"ENABLED":1} hidegroup = {"HIDDEN":1,"ENABLED":0} newgroup = {"HIDDEN":0,"ENABLED":0} # use button name as group name selgroupname = event.source.text row=0 # Check each new… --- _[View the full topic](https://forum.inductiveautomation.com/t/vision-easy-chart-will-not-poll/54909)._