Hello There,

I am working on my first module. I am using C#. Indeed it is 2 modules ("A" and "B"). "A" is to manage news (include, delete, update etc.), "B" is a table (marquee) that shows all the news' headers (the user choose one and clicks on to read). Before, module "B" tries to read the DB of "A" I would like that it check if the module "A" is already installed in order to avoid errors on "B". How can I do it?  Does DNN have a property that do it?

Thanks in advance,

Kau.

Hey Kau,

There is a section in your DNN manifest file (modulename.dnn) that you can populate to check for a specific assembly before your module installed. Depending on the type of development you are doing (web site or WAP style project) this may work for you.

I have used the dependencies from our module Engage: Publish as an example.

<dependencies>AjaxControlToolkit.PopupControlExtender; AjaxControlToolkit.ToolkitScriptManager</dependencies>

As an alternative, you may look in to packaging these as a single module that has multiple module definitions, (e.g. core Blog module). Read more about it here - Michael Washington's Module Navigation tutorial.

Take care,

Ian

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You can try retrieve data from DesktopModules table. For example ,if your module definition is"ModuleB",  execute sql like below:

    Select count(DesktopModuleId) from DesktopModules where modulename='ModuleB'.   if result is bigger than 0 ,then "ModuleB" is exist.

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