I did a custom action that run a sql script, like "Alter table ...", following this tutorial (but i did in C# language)
However, the Database is PostgreSQL and I'm using Npgsql provider.
In the CustomAction Project, I added the reference to Npgsql.dll.

Nevertheless, when I run the setup.exe, it gives me an error saying the Npgsql.dll could not be found, and the installation fails.

How can I fix this problem?

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Get a life. Go party!

Adding a reference to a Dll in your C# custom action project may not mean it's deployedby your setup project. Can you see it in your setup project as a dependency that is installed?IsNpgsql.dll a COM Dll requiring COM registration?

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Phil Wilson

The Npgsql.dll is in "Detected Dependencies" on Setup Project.

I don't know if it is a COM dll or not, but I do know that it does not need registration.

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Get a life. Go party!