you want to implement custom business logic that should run when the..., Dynamic Data, ASP.NET

Question:You want to implement custom business logic that should run when the InvoiceNumber
property is modified. What actions should you take? (Choose all that apply.)

A Add a CustomValidator control to the DynamicData/FieldTemplates/Integer_Edit.asax file. Set this control to process custom logic to validate an invoice number. 
B Extend the OnInvoiceNumberChanged partial method inside the Invoice partial class to include additional validation logic. 
C Extend the OnInvoiceNumberChanging partial method inside the Invoice partial class to include additional validation logic. 
D If the logic fails, throw a ValidationException instance.

+ AnswerC D

+ Report

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Question:You want to implement custom business logic that should run when the InvoiceNumber property is modified. What actions should you take? (Choose all that apply.)

A Add a CustomValidator control to the DynamicData/FieldTemplates/Integer_Edit.asax file. Set this control to process custom logic to validate an invoice number.

B Extend the OnInvoiceNumberChanged partial method inside the Invoice partial class to include additional validation logic.

C Extend the OnInvoiceNumberChanging partial method inside the Invoice partial class to include additional validation logic.

D If the logic fails, throw a ValidationException instance.

C D