С SDK:
Цитата:
- Updating an attribute using setValue will not cause the OnChange event handlers to run. If you want the OnChange event handlers to run you must use fireOnChange in addition to setValue.
- When Microsoft Dynamics CRM for tablets is not connected to the server setValue will not work.
- You cannot set the value of composite attributes. More information: Write scripts for composite attributes.
Порпробуй метод перевесить с лоада на сам onChange поля на форме