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 JuSNS.Profile.DbHelper.ExecutePage(String connectionString, String SqlAllFields, String SqlTablesAndWhere, String IndexField, String OrderFields, Int32 PageIndex, Int32 PageSize, Int32& RecordCount, Int32& PageCount, DbParameter[] commandParameters) 位置 F:\job\y亚太口腔\svn_bbs\JuSNS.Profile\DbHelper.cs:行号 267 在 JuSNS.Profile.DbHelper.ExecutePage(String SqlAllFields, String SqlTablesAndWhere, String IndexField, String OrderFields, Int32 PageIndex, Int32 PageSize, Int32& RecordCount, Int32& PageCount, DbParameter[] commandParameters) 位置 F:\job\y亚太口腔\svn_bbs\JuSNS.Profile\DbHelper.cs:行号 243 在 JuSNS.SQLServer.UtilPage.JuSNS.Factory.IUtilPage.GetBlogPage(String q, String keys, Int32 classid, String orderby, Int32 UserID, Int32 PageIndex, Int32 PageSize, Int32& RecordCount, Int32& PageCount, SqlConditionInfo[] SqlCondition) 位置 F:\job\y亚太口腔\svn_bbs\JuSNS.SQLServer\UtilPage.cs:行号 493 在 JuSNS.Home.UtilPage.GetBlogPage(String q, String keys, Int32 classid, String orderby, Int32 userid, Int32 pageindex, Int32 pagesize, Int32& recordcount, Int32& pagecount, SqlConditionInfo[] SqlCondition) 位置 F:\job\y亚太口腔\svn_bbs\JuSNS.Home\UtilPage.cs:行号 33 在 JuSNS.Web.app.blog.rss.ShowList(VelocityContext& context) 位置 F:\job\y亚太口腔\svn_bbs\JuSNS.Web\app\blog\rss.cs:行号 64 在 JuSNS.MVC.IHandler.ProcessRequest(HttpContext context)