What are two possible ways to achieve this goal?

You need to meet the requirements for the purchase order creation form.

What are two possible ways to achieve this goal? Each correct answer presents a complete solution. NOTE: each correct selection is worth one point.
A . Create a class and add a form data source event handler method to the class.
B . In Application Explorer, create a table extension and implement validation.
C . In Application Explorer, create a form extension and implement validation.
D . Implement Chain of Command (CoC) and method wrapping by creating a form extension class.

View Answer

Answer: CD

Explanation:

Scenario: Users must be presented with a warning message before a direct delivery purchase order is created for a vendor in exclusion list.

You must implement validation to check whether a proposed direct delivery purchase order vendor is on the exclusion list for the customer and product combination.