I am sorry. I am newbie in C#. I use Visual Studio Mac. I want to try to connect mysql database. I have added mysql package. When I run, I get error. The e
In Solution Explorer, right click (two finger tap on mousepad for Mac) the 'Dependancies' folder under the Project (current project where you are seeing this error).
Click 'Edit References'
Select (list defaults to All available) Select (tick) the Project you need to reference that is holding 'System.Data'.
Click OK.
This will create a link between these two projects and therefore a reference/dependency is created.