how to delete some module definition when update it, for  example as follows:

define A [game enter]

right now I do not need the definition any more, and in the update procedure I can do something with implementing the IUpgrade interface . But how to d achieve it, including the database record delete and the control delete?

help.......

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While the normal upgrade process will take care of changes to the module definition in the database and your new version's SqlDatProvider file will update your module's specific tables and stored procedures, I'm not sure if the upgrade will actually remove any controls relating to the no longer used definition from the file system.  I'd have to look through the installer code but it would be quicker to try the upgrade and see if the unused controls were removed. If they are not removed, you should create a text file named 'xx.xx.xx.txt' where xx.xx.xx matches the version of the upgrade's manifest and SqlDataProvider file. In the xx.xx.xx.txt file list (one per line) the names (with application relative path - for example '\DesktopModules\MyModuleFolder\oldcontrolname.ascx') of the control and if appropriate vb or cs code behind files) to be removed.  Include the xx.xx.xx.txt file in the upgrade's module package zip file. You will also need to reference the xx.xx.xx.txt file in a < file > node in the dnn manifest.  Note also that even if your upgrade does not need a xx.xx.xx.SqlDataProvider file for other purposes, an empty one will be necessary to ensure that the xx.xx.xx.txt file is processed.

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