我正在尝试测试这个功能://OpenConnectionopensaconnectiontoaMySQLdatabaseby`connStr`//orreturnserror.If`connStr`isempty,errorisreturned.////Parameters://-`connStr`:theURLofthedatabasetoconnectto//-`interpolateParams`:shouldweinterpolateparameters?////Returns://-pointertothedatabaseconnection//-anyerrorsthath

我收到以下错误Inconsistentaccessibility:parametertype'Db.Form1.ConnectionString'islessaccessiblethanmethod'Db.Form1.BuildConnectionString(Db.Form1.ConnectionString)'//NamespacesusingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;u

目录一、前期准备二、MySQL 字符串连接三、MySQLWindows身份验证(不推荐使用)--不安全四、MySQL类构建连接五、MySQL外部配置文件连接(推荐)--connectionStrings连接六、MySQL外部配置文件连接--AppSettings连接涉及知识点：AppConfig配置--C#连接MySQL一、前期准备1.打开cmd命令框       win+R-->cmd2.Mysql账号登录Mysql-uroot-p123456;3.mysql_student数据库创建createdatabasemysql_student; 4.mysql_student数据库使用usemy