64位window系统连接oracle会报错ORA-12154: TNS: 无法解析指定的连接标识符 截图操作64位系统VS连接ORACLE

引用Oracle.ManagedDataAccess.dll,文件下载后vs中添加引用即可 using Oracle.ManagedDataAccess.Client; private readonly string strConnection = @"Data Source=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=127.0.0.1)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=数据库名称))); Persist Security Info=True;User ID = sa; Password=123456;";