System.Data.SqlClient.SqlException: 已成功与服务器建立连接,但是在登录过程中发生错误。 (provider: TCP 提供程序, error: 0 - 指定的网络名不再可用。) 在 System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) 在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) 在 System.Data.SqlClient.TdsParserStateObject.ReadSniError(TdsParserStateObject stateObj, UInt32 error) 在 System.Data.SqlClient.TdsParserStateObject.ReadSni(DbAsyncResult asyncResult, TdsParserStateObject stateObj) 在 System.Data.SqlClient.TdsParserStateObject.ReadNetworkPacket() 在 System.Data.SqlClient.TdsParserStateObject.ReadBuffer() 在 System.Data.SqlClient.TdsParserStateObject.ReadByte() 在 System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) 在 System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) 在 System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject, Boolean withFailover) 在 System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) 在 System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) 在 System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) 在 System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) 在 System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) 在 System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) 在 System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) 在 System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) 在 System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) 在 System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) 在 System.Data.SqlClient.SqlConnection.Open() 在 Common.DB.DBReturnTable(String sql) 在 xwzx_hyzx.Page_Load(Object sender, EventArgs e) 位置 f:\usr\localuser\hgw039062\xwzx_hyzx.aspx.cs:行号 30 中泽农-新闻中心-行业资讯
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