Handling deletion of a module - Extend It! ( Programming in VS2005 & 2008, ASP.Net 2.0 )

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6/23/2008 9:25 AM

	Joshua Beall
134 posts

Handling deletion of a module

Hi All,

I went through Michael Washington's tutorial on DNN 4 Module Development, and I've successfully built a quiz module. Everything works great, but one thing I wasn't sure how to handle is module deletion. When a module is deleted off the page, the data (in my case, quiz questions) for that module should also be deleted. Is there a "module being deleted" event of some kind that I can register a listener for? How do I do cleanup when my module is being deleted off the page?

-Josh

6/24/2008 4:23 PM

	Snoek8
51 posts
www.mexmax-internet.com

Re: Handling deletion of a module

I imagine you use the moduleID when saving you quiz data into you quiz table. If you would create a relation in your database between the moduleID in your quiz table and the ModuleID in the TabModules table and set it to cascade on delete your data should be deleted when the module is deleted. This will however only be triggered when the module is completely deleted, not when it is placed in the recycle bin.

Stephan
Dotnetnuke modules

7/1/2008 11:59 AM

	Joshua Beall
134 posts

Re: Handling deletion of a module

Snoek8 wrote

I imagine you use the moduleID when saving you quiz data into you quiz table. If you would create a relation in your database between the moduleID in your quiz table and the ModuleID in the TabModules table and set it to cascade on delete your data should be deleted when the module is deleted.

That would work -- but is there no way to do it in code, e.g., by registering an event handler for a "module deletion" event?

8/27/2008 12:34 PM

	Joshua Beall
134 posts

Re: Handling deletion of a module

Joshua Beall wrote

Snoek8 wrote
I imagine you use the moduleID when saving you quiz data into you quiz table. If you would create a relation in your database between the moduleID in your quiz table and the ModuleID in the TabModules table and set it to cascade on delete your data should be deleted when the module is deleted.

That would work -- but is there no way to do it in code, e.g., by registering an event handler for a "module deletion" event?

Any further feedback? Is there any way to handle the cleanup in .NET, or does it have to be done at the database level?

-Josh

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