Install libmysql-cil-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libmysql-cil-dev
MySQL database connector for CLI
The MySql.Data library is a fully managed (100% C#) driver for all CLI languages (C#, VB.NET, Boo, Nemerle, etc) for accessing MySQL databases. . This package contains development files for Connector/NET and will always pull in the current default version - and should be used for compilation.