# Trouble auto-selecting on a dropdown who's options are based on parent dropdown?

**URL:** <https://forum.inductiveautomation.com/t/trouble-auto-selecting-on-a-dropdown-whos-options-are-based-on-parent-dropdown/32284>\
**Category:** Ignition\
**Tags:** perspective\
**Created:** [February 14, 2020, 5:05pm UTC](https://forum.inductiveautomation.com/t/trouble-auto-selecting-on-a-dropdown-whos-options-are-based-on-parent-dropdown/32284 "2020-02-14T17:05:06Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![bkarabinchak.psi](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/bkarabinchak.psi/32/83567_2.png) [@bkarabinchak.psi](https://forum.inductiveautomation.com/u/bkarabinchak.psi)\
**Post date:** [February 14, 2020, 5:27pm UTC](https://forum.inductiveautomation.com/t/trouble-auto-selecting-on-a-dropdown-whos-options-are-based-on-parent-dropdown/32284/2 "2020-02-14T17:27:53Z")

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The solution was to put a change script on the child dropdown options, that way there is no race condition. We know when the new data comes in programatically.

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_[View the full topic](https://forum.inductiveautomation.com/t/trouble-auto-selecting-on-a-dropdown-whos-options-are-based-on-parent-dropdown/32284)._