System.Data.SqlClient.SqlException (0x80131904): 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: Named Pipes Provider, error: 40 - 無法開啟至 SQL Server 的連接) ---> System.ComponentModel.Win32Exception (0x80004005): 系統找不到指定的檔案。
於 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
於 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
於 System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
於 System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
於 System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
於 System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)
於 System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
於 System.Data.SqlClient.SqlConnection.Open()
於 DreamweaverCtrls.DataSet.DoInit()
ClientConnectionId:00000000-0000-0000-0000-000000000000
Error Number:2,State:0,Class:20