You use the Entity Data Model Wizard to generate an Entity Data Model from an application database. An entity type named Student includes a property named EnrollmentDate. You need to add code that will execute after the EnrollmentDate property is reset. The code should not be affected if you update the model from the database.
What should you do?

Implement the partial method named OnEnrollmentDateChanged in order to execute code after the EnrollmentDate property has changed. This method is defined and will be called by the autogeneratedentity class.

The OnEnrollmentDateChanging method is defined and will be called in the autogenerated entity class. However, it will be called before the EnrollmentDate property is reset.