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Support Article

Nested Grid doesn't expand when field level error occurs



Nested Grid does not expand when field level error occurs with Pega 7.2.

Error Messages

Not Applicable

Steps to Reproduce

  1. Configure a grid inside a grid with expandable rows.
  2. Configure a numeric field with validation at property level inside the nested grid.
  3. Enter a random text in the field and click on submit. Validation error is fired but the inside nested grid expand.

Root Cause

A software use or operation error.


It is default behavior of the grid that it collapses whenever a refresh is called.

User might need to modify pyExpanded property of the grid by calling activity in flow action.

Follow the steps mentioned in the below article to make the grid expanded:

Published June 29, 2017 - Updated October 8, 2020

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