unity3d - Add Reference is missing in Visual Studio when using with Unity 3D - Need Npgsql.dll

Question

I installed Unity 2017 with Visual Studio 2017. I am attempting to add an external DLL to the Visual Studio project through the solution explorer. When I right click on References, the "Add Reference" option is completely missing!

I'm trying to use NpgSQL. Hence, the need to add npgsql.dll.

Can anyone give light?

Answer 1

The Add Reference... is in a different place in this case.

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Things to do in Unity:

Create a folder named Plugins as a child to your Assets folder. (AssetsPlugins...)

Next copy your DLL to this plugins folder. You can do this using Windows Explorer or just drag it into the folder in the Unity editor, like shown:

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Things to do in Visual Studio:

Click on Analyzers in your project as shown below, then click Project from your menu, then navigate to Add Reference...:

Now Browse to your DLL:

And... there it is: