DRAFT KB-XXXX Clicking the 'select all' checkbox in an editable grid and then deselecting all items stores an incorrect selection list

Symptoms

Selecting the 'select all' checkbox in an editable grid and then deselecting all items stores an incorrect selection list.

Cause

This issue has been reported to the Appian Product Team. The reference number for this issue is AN-144124.

Action

Use gridField() instead of gridLayout(). The gridField() function does not exhibit the abnormal behavior outlined in the Symptoms section.

Workaround

Add the following to the gridLayout() SAIL code per the function documentation.

/* Flatten the selected values so the result is easier to work with */
/* when the select/deselect all option is used in an editable grid */
selectionSaveInto: a!save(local!selected, a!flatten(save!value)),

Affected Versions

This article applies to all versions of Appian.

Last Reviewed: November 2019