The type or namespace name 'MySqlConnection' could not be found (are you missing a using directive or an assembly reference?)

问题

so I'm making a project and I'm almost done with it and this error got me, I thought in the 1st place my database is not connected but it's connected and I don't really know what is the solution for it(correct me if I'm wrong in the problem that I gave.)and im using a visual studio 2013

I have done reconnecting my database by checking and unchecking it but still doesn't workthis is the error that I got

回答1:

You should need to add a .dll to the Reference section in the Solution Explorer (from GAC or browse for file).

回答2:

You need to install the package MySql.Data

PM> Install-Package MySql.Data

for more check this question: MySql doesn't work in Visual Studio 2012 : The type or namespace name 'MySql' could not be found

来源：https://stackoverflow.com/questions/57836838/the-type-or-namespace-name-mysqlconnection-could-not-be-found-are-you-missing