下午在调试的时候报错数据库连接就报错我就很纳闷后面用原来的代码写发现还是报错 System.TypeInitializationException: 'The type initializer for 'MySql.Data.MySqlClient.Replication.ReplicationManager' threw an exception.' 应该是出在Mysql包上的问题 但是我发现更换版本也不行 我就尝试着打开mysql到自己数据库看看 回来之后调试又成功了,之后问题又出现过1次但…

.net应用程序通过Oracle.DataAccess.dll访问64位的Oracle服务器,在连接时出现以下异常:“System.TypeInitializationException: The type initializer for 'Oracle.DataAccess.Client.OracleConnection' threw an exception. ---> Oracle.DataAccess.Client.OracleException: 提供程序与此版本的 Oracle 客户…

08-31 17:02:03: ### DEBUG ##########################System.TypeInitializationException: The type initializer for 'Mono.Unix.Native.Stdlib' threw an exception. ---> System.DllNotFoundException: /usr/lib/libMonoPosixHelper.so  at (wrapper managed-to-na…

[15/08/19 00:03:10] [DataManager-7292-ERROR] System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.TypeInitializationException: The type initializer for 'System.Data.Entity.Internal.AppConf…

"System.InvalidOperationException"类型的未经处理的异常在 mscorlib.dll 中发生 其他信息: 无法为具有固定名称"MySql.Data.MySqlClient"的 ADO.NET 提供程序加载在应用程序配置文件中注册的实体框架提供程序类型"MySql.Data.MySqlClient.MySqlProviderServices, MySql.Data.Entity.EF6".请确保使用限定程序集的名称且…

本文涉及到的mysql知识点: mysql中的if条件语句用法: IF(expr1,expr2,expr3) mysql使用变量(mysql中变量不用事前申明) mysql事务 testcase 为了测试mysql事务,写了个testcase, using Microsoft.VisualStudio.TestTools.UnitTesting; using MySql.Data.MySqlClient; using System; using System.Collections.Generi…

转自:https://blog.csdn.net/zhaoqi5705/article/details/12087649?locationNum=15 MySql.Data.MySqlClient.MySqlException (0x80004005): Unable to connect to any of the specified MySQL hosts. ---> System.Net.Sockets.SocketException (0x80004005): 由于系统缓冲区空间不足或队…

Application Exception MySql.Data.MySqlClient.MySqlException FUNCTION account.AddMinutes does not exist Description: HTTP 500.Error processing request. Details: Non-web exception. Exception origin (name of application or object): MySql.Data. Exception…

源码: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Data; using MySql.Data.MySqlClient; namespace Fly.Util.DataBase { /// <summary> /// MySql数据库操作类 /// </summary>…

-- ::25.026 +: [ERR] Connection id "0HLQH64H76UL5", Request id "0HLQH64H76UL5:00000001": An unhandled exception was thrown by the application. MySql.Data.MySqlClient.MySqlException (0x80004005): Unable to connect to any of the specifie…