I think what Oskar is getting at is how can you change X to Y. here is
an analogy:
You need to buy an automobile (Question)
You decide to buy a car (Type1). You the next day you want the car to
become a truck (Type2).
You cannot. To get a truck you need to buy a new automobile.

In you scenario "changing" type 1 to type 2 would require:
creating a new type 2
associating all type 1's children (Answers?) to type 2
deleting type 1.

On Jun 22, 10:32 am, Anatoly <[email protected]> wrote:
> I use Data Tranlator Pattern (DTO) and Entity Translator pattern to
> translate object from the client side to the entity on the server side
> of the application.
> I use combo box to change type in the UI. Then I send this value in a
> DTO object to the server side. Using value from the combo box server
> determines which object type it has to create.
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