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Support Article

Drop Down in collapsible header not loading properly



When selecting values from drop down in collapsible header, section does not refresh according to selection. When drop down gets expanded, it loads in front of collapsible header. When trying to select values which are within collapsible header, header gets collapsed.

Error Messages

Not Applicable.

Steps to Reproduce

  1. Configure a collapsible header dynamic layout. 
  2. inside the header include a section. 
  3. In the section configure a dropdown having some prompt list. 
  4. Now run the flow to see the different behavior in the chrome and IE. 


Root Cause

A defect in Pegasystems’ code or rules that the function expandHeader is not getting called in case of chrome while it is triggered for IE.


Temporary local change is to write the same function in the User work form (and stopping the execution of the function when drop down is found). An enhancement request BUG-270616  has been created for consideration by Pega Product Management.

Published October 28, 2016 - Updated October 8, 2020

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