System.Data.SqlClient.SqlException: 建立連接至 SQL Server 時,發生網路相關或執行個體特定的錯誤。找不到或無法存取伺服器。確認執行個名稱是否正確,以及 SQL Server 是否設定為允許遠端連線。 (provider: 具名的管線提供者, error: 40 - 無法開啟至 SQL Server 的連接)
於 System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
於 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
於 System.Data.SqlClient.TdsParser.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, SqlConnection owningObject)
於 System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject)
於 System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart)
於 System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance)
於 System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance)
於 System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection)
於 System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options)
於 System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject)
於 System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject)
於 System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject)
於 System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
於 System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
於 System.Data.SqlClient.SqlConnection.Open()
於 DreamweaverCtrls.DataSet.DoInit()
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◎ 說明

  因應目前多數客戶家中所使用的省電燈泡,有少部分品牌的省電燈泡會影響Kala-Smart伴唱
  機遙控效果,產生遙控靈敏度降低遙控距離過短的現象,解決方法為在伴唱機主機接收器位
  置加裝接收器濾光片,可以解決遙控異常的情形發生。
 
適用機型  Kala-Smart各機型
品名  遙控接收器濾光片
材質

 麗龍50# + 麗龍50# +霧OPP紅色網印

尺寸  10x10mm

◎ 使用方式
1.請將黏貼於主機液晶顯示器上的波麗銘板取下
2.將10x10mm大小的"接收器濾光片"黏貼於接收器上
3.再將波麗銘板貼回去即可避免省電泡干擾
   (裝上接收器濾光片後會使遙控距離減少約一公尺左右)