Extending Microsoft Dynamics 365 Finance and Supply Chain Management Cookbook - Second Edition

Using the defaultField and initValue methods for setting field defaults

When the user presses New on a form, the form's data source will create a new empty record buffer for the user to populate prior to saving. A number of events are fired when this occurs and eventually results in a call to initValue on the table. This is traditionally where all defaulting logic is placed, and when trying to determine what defaults are set, this is the first place to look.

There seems to be another way in which developers can accomplish this defaulting logic, which is to override the defaultField method. This is called as a result of a call to defaultRow. The defaultRow method is called when a data entity creates a record, and is not called as part of X++ ...