3058893 - Nested Data is not Loaded to Custom UI Component

Symptom

You have created a custom UI component for a Business Object and you can see that the DataLists for sub-nodes are not displayed correctly.

Environment

SAP Business ByDesign
SAP Cloud Applications Studio
SAP Cloud for Customer

Reproducing the Issue

Prerequisites:

You have a Business Object with at least three node levels (including the Root).
You have multiplicity set for the sub-nodes.
You have bound the node elements in nested DataLists to a UI component.

Steps to Reproduce:

When you open the UI component in the front end and select the sub-node instances, the lower node data is not loaded correctly.

Cause

Loading Type is set to "Standard" or "Always". This tries to load all the data for the DataList as soon as the UI component is loaded resulting in the display issue.

Resolution

Each DataList should have properties Loading Type "Lazy" and Default Lead Selection "True". These properties ensure that the data is only requested when needed and ensure that the correct data is then loaded as per the relationship between the parent and child DataLists.

Keywords

PDI, SDK, UI Designer, Loading Type, Default Lead Selection, Lazy , KBA , AP-RC-UIF , C4C UI Framework , Problem

Product

SAP Business ByDesign all versions ; SAP Cloud Applications Studio all versions ; SAP Cloud for Customer add-ins all versions ; SAP Cloud for Customer core applications all versions