IBatisNet.DataMapper.Exceptions.DataMapperException: Unable to open connection to "Microsoft SQL Server, provider V2.0.0.0 in framework .NET V2.0". ---> System.Data.SqlClient.SqlException: 在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误。未找到或无法访问服务器。请验证实例名称是否正确并且 SQL Server 已配置为允许远程连接。 (provider: TCP Provider, error: 0 - 由于目标计算机积极拒绝，无法连接。) ---> System.ComponentModel.Win32Exception: 由于目标计算机积极拒绝，无法连接。 --- 内部异常堆栈跟踪的结尾 --- 在 System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) 在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) 在 System.Data.SqlClient.TdsParser.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, Boolean withFailover) 在 System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, Boolean withFailover) 在 System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString connectionOptions, SqlCredential credential, TimeoutTimer timeout) 在 System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(TimeoutTimer timeout, SqlConnectionString connectionOptions, SqlCredential credential, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance) 在 System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions) 在 System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) 在 System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool pool, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions) 在 System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnectionOptions userOptions) 在 System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnectionOptions userOptions) 在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) 在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) 在 System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) 在 System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) 在 System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) 在 System.Data.SqlClient.SqlConnection.Open() 在 IBatisNet.DataMapper.SqlMapSession.OpenConnection(String connectionString) --- 内部异常堆栈跟踪的结尾 --- 在 IBatisNet.DataMapper.SqlMapSession.OpenConnection(String connectionString) 在 IBatisNet.DataMapper.SqlMapSession.OpenConnection() 在 IBatisNet.DataMapper.Commands.DbCommandDecorator.System.Data.IDbCommand.ExecuteReader() 在 IBatisNet.DataMapper.MappedStatements.MappedStatement.RunQueryForList[T](RequestScope request, ISqlMapSession session, Object parameterObject, IList`1 resultObject, RowDelegate`1 rowDelegate) 在 IBatisNet.DataMapper.MappedStatements.MappedStatement.ExecuteQueryForList[T](ISqlMapSession session, Object parameterObject) 在 IBatisNet.DataMapper.SqlMapper.QueryForList[T](String statementName, Object parameterObject) 在 SiaSun.LMS.Persistence.P_Base.ExecuteQueryForList[T](String statementName, Object parameterObject) 位置 E:\Working\SiaSunLMS_WPF\Service\SiaSun.LMS.Persistence\P_Base.cs:行号 52 --- 内部异常堆栈跟踪的结尾 --- 在 SiaSun.LMS.Persistence.P_Base.ExecuteQueryForList[T](String statementName, Object parameterObject) 位置 E:\Working\SiaSunLMS_WPF\Service\SiaSun.LMS.Persistence\P_Base.cs:行号 56 在 SiaSun.LMS.Persistence.P_LED_MAIN.GetList_DEVICE_CODE_AUTO_FLAG(String DEVICE_CODE, String AUTO_FLAG) 位置 E:\Working\SiaSunLMS_WPF\Service\SiaSun.LMS.Persistence\P_LED_MAIN.cs:行号 62 在 SiaSun.LMS.Implement.S_LEDService.ClearLedLineTxt(String DeviceCode, Int32 LineNum, String& sResult) 位置 E:\Working\SiaSunLMS_WPF\Service\SiaSun.LMS.Implement\S_LEDService.cs:行号 387]]> IBatisNet.DataMapper.Exceptions.DataMapperException: Unable to open connection to "Microsoft SQL Server, provider V2.0.0.0 in framework .NET V2.0". ---> System.Data.SqlClient.SqlException: 在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误。未找到或无法访问服务器。请验证实例名称是否正确并且 SQL Server 已配置为允许远程连接。 (provider: TCP Provider, error: 0 - 由于目标计算机积极拒绝，无法连接。) ---> System.ComponentModel.Win32Exception: 由于目标计算机积极拒绝，无法连接。 --- 内部异常堆栈跟踪的结尾 --- 在 System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) 在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) 在 System.Data.SqlClient.TdsParser.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, Boolean withFailover) 在 System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, Boolean withFailover) 在 System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString connectionOptions, SqlCredential credential, TimeoutTimer timeout) 在 System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(TimeoutTimer timeout, SqlConnectionString connectionOptions, SqlCredential credential, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance) 在 System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions) 在 System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) 在 System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool pool, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions) 在 System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnectionOptions userOptions) 在 System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnectionOptions userOptions) 在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) 在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) 在 System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) 在 System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) 在 System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) 在 System.Data.SqlClient.SqlConnection.Open() 在 IBatisNet.DataMapper.SqlMapSession.OpenConnection(String connectionString) --- 内部异常堆栈跟踪的结尾 --- 在 IBatisNet.DataMapper.SqlMapSession.OpenConnection(String connectionString) 在 IBatisNet.DataMapper.SqlMapSession.OpenConnection() 在 IBatisNet.DataMapper.Commands.DbCommandDecorator.System.Data.IDbCommand.ExecuteReader() 在 IBatisNet.DataMapper.MappedStatements.MappedStatement.RunQueryForList[T](RequestScope request, ISqlMapSession session, Object parameterObject, IList`1 resultObject, RowDelegate`1 rowDelegate) 在 IBatisNet.DataMapper.MappedStatements.MappedStatement.ExecuteQueryForList[T](ISqlMapSession session, Object parameterObject) 在 IBatisNet.DataMapper.SqlMapper.QueryForList[T](String statementName, Object parameterObject) 在 SiaSun.LMS.Persistence.P_Base.ExecuteQueryForList[T](String statementName, Object parameterObject) 位置 E:\Working\SiaSunLMS_WPF\Service\SiaSun.LMS.Persistence\P_Base.cs:行号 52 --- 内部异常堆栈跟踪的结尾 --- 在 SiaSun.LMS.Persistence.P_Base.ExecuteQueryForList[T](String statementName, Object parameterObject) 位置 E:\Working\SiaSunLMS_WPF\Service\SiaSun.LMS.Persistence\P_Base.cs:行号 56 在 SiaSun.LMS.Persistence.P_LED_MAIN.GetList_DEVICE_CODE_AUTO_FLAG(String DEVICE_CODE, String AUTO_FLAG) 位置 E:\Working\SiaSunLMS_WPF\Service\SiaSun.LMS.Persistence\P_LED_MAIN.cs:行号 62 在 SiaSun.LMS.Implement.S_LEDService.ClearLedLineTxt(String DeviceCode, Int32 LineNum, String& sResult) 位置 E:\Working\SiaSunLMS_WPF\Service\SiaSun.LMS.Implement\S_LEDService.cs:行号 387]]>