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HomeHomeArchived Discus...Archived Discus...Developing Under Previous Versions of .NETDeveloping Under Previous Versions of .NETASP.Net 2.0ASP.Net 2.0In my Module where to write Delete FunctionIn my Module where to write Delete Function
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11/14/2008 7:26 AM
 

Joined: 1/1/0001
Posts: 0

We are using Dnn 4.8.4 version . I added one  Dynamic Module  and  respective tables for that Module ( Ex : in table ModuleSettings) .  When I  Delete the Module From UI ( not from EditModule --> DeleteClick but  through Module UI where u can find Edit,Print,Settings,Delete,Move,..)   , the module was deleted . I  want the data respective to the Module ID ( Ex : in table ModuleSettings)  also to be deleted . So we have written Delete Procedure . But I dont know where to call the Delete SP .

Thank to all for ur help

Arvind

 

 

 

 

 
 
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11/14/2008 1:34 PM
 
William Severance


www.wesnetdesigns.com
Joined: 2/18/2005
Posts: 3253

Module instance deletion is handled entirely by the DNN core. The core deletion method (unfortunately IMHO) does not raise an event or perform any callback into your module code so there is no way to call your delete proceedure. In most cases, the exposing of a delete module event or callback is unnecessary. Removal of records from the ModuleSettings table should occur automatically without any work on your part as there is a foreign key relationship (with a cascade delete rule) between the DNN Modules and ModuleSettings table. For other custom tables created by your module you will need to include a ModuleID column which will need to be set to the ModuleId whenever a row is added to the table. You will also need to define a foreign key relationship between the ModuleID column of your custom table and the ModuleID column of the DNN Modules table and set its delete rule to "Cascade".

In the above, I said that I thought it unfortunate that the core deletion method does not expose an event or callback into your module code when a module is deleted. In many modules I have written, I have created one or more folders in the Portal root for storing files - templates, generated xml report definitions, user uploaded images/files, etc. and have yet to find a good way to delete these files/folders when the module instance is deleted.

Bill, WESNet Designs
Team Lead - DotNetNuke Gallery Module Project (Not Actively Being Developed)
Extensions Forge Projects . . .
Current: UserExport, ContentDeJour, ePrayer, DNN NewsTicker, By Invitation
Coming Soon: FRBO-For Rent By Owner
 
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11/17/2008 1:46 AM
 

Joined: 1/1/0001
Posts: 0

Thanks William ,

  I got your idea . While  creating relation ship between custum tables and  Dnn Modules table for ModuleID , checking cascade delete option will delete automatically when ever Dnn Modules row is deleted . My custum tables row corresponding to the moduleID also deleted .

Issue was

But  when ever I delete the module from UI , In Dnn Modules table corresponding row is updated  ( IsDeleted colunm of that row becomes 1 )  not deleted . so in this case what to do

 

thanks to all for ur help

Arvind

 

 
 
New Post
11/17/2008 8:43 AM
 
William Severance


www.wesnetdesigns.com
Joined: 2/18/2005
Posts: 3253

This is normal behavior since a module entry is not deleted from the Modules table (and from other tables related by the ModuleId) until it is deleted from the Recycle Bin by the site administrator. Instead, the IsDeleted column of the entry is marked as 1 (true). Sorry I forgot to mention that.

Bill, WESNet Designs
Team Lead - DotNetNuke Gallery Module Project (Not Actively Being Developed)
Extensions Forge Projects . . .
Current: UserExport, ContentDeJour, ePrayer, DNN NewsTicker, By Invitation
Coming Soon: FRBO-For Rent By Owner
 
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HomeHomeArchived Discus...Archived Discus...Developing Under Previous Versions of .NETDeveloping Under Previous Versions of .NETASP.Net 2.0ASP.Net 2.0In my Module where to write Delete FunctionIn my Module where to write Delete Function


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