Could not load type ‘MySql.Data.MySqlClient.MySqlConnectionStringBuilder‘ from assembly ‘MySqlConnector, Version=1.0.0.0, Culture=neutral, PublicKeyToken=d33d3e53aa5f8c92‘.
检查MySql相关Nuget包版本，看是否有MySql相关Nuget引用版本低于1.0.0.0
原文：https://www.cnblogs.com/bindot/p/mysql.html