無法打開登錄所請求的數據庫 “cdn_sql“。登錄失敗。
用戶 ‘sa‘ 登錄失敗。
說明: 執行當前 Web 請求期間，出現未經處理的異常。請檢查堆棧跟蹤信息，以了解有關該錯誤以及代碼中導緻錯誤的出處的詳細信息。
異常詳細信息: System.Data.SqlClient.SqlException: 無法打開登錄所請求的數據庫 “cdn_sql“。登錄失敗。
用戶 ‘sa‘ 登錄失敗。
源錯誤:
執行當前 Web 請求期間生成了未經處理的異常。可以使用下面的異常堆棧跟蹤信息确定有關異常原因和發生位置的信息。
堆棧跟蹤:
[SqlException (0x80131904): 無法打開登錄所請求的數據庫 “cdn_sql“。登錄失敗。
用戶 ‘sa‘ 登錄失敗。]
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) +1307
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaspletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +108
System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaspletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +941
System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaspletionSource`1 retry, DbConnectionOptions userOptions) +143
System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaspletionSource`1 retry, DbConnectionOptions userOptions) +17
System.Data.SqlClient.SqlConnection.TryOpenInner(TaspletionSource`1 retry) +139
System.Data.SqlClient.SqlConnection.TryOpen(TaspletionSource`1 retry) +448
System.Data.SqlClient.SqlConnection.Open() +130
NewFolder1.Class1er(String ipkey, String rz, Int32 cl) +154
WebApplication1.api.ProcessRequest(HttpContext context) +499
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +814
System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +132
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&  pletedSynchronously) +73
版本信息: MicrosoftFramework 版本:4.0.30319;版本:4.8.4110.0