“/”应用程序中的服务器错误。
无法打开登录所请求的数据库cdn_sql。登录失败。
用户'sa'登录失败。
说明执行当前Web请求期间，出现未经处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。
异常详细信息System.Data.SqlClient.SqlException无法打开登录所请求的数据库cdn_sql。登录失败。
用户'sa'登录失败。
源错误
执行当前Web请求期间生成了未经处理的异常。可以使用下面的异常堆栈跟踪信息确定有关异常原因和发生位置的信息。
堆栈跟踪
[SqlException(0x80131904)无法打开登录所请求的数据库cdn_sql。登录失败。
用户'sa'登录失败。]
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnectionowningObject,UInt32waitForMultipleObjectsTimeout,BooleanallowCreate,BooleanonlyOneCheckConnection,DbConnectionOptionsuserOptions,DbConnectionInternalconnection)+1307
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnectionowningObject,TaskCompletionSource`1retry,DbConnectionOptionsuserOptions,DbConnectionInternalconnection)+108
System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnectionowningConnection,TaskCompletionSource`1retry,DbConnectionOptionsuserOptions,DbConnectionInternaloldConnection,DbConnectionInternalconnection)+941
System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnectionouterConnection,DbConnectionFactoryconnectionFactory,TaskCompletionSource`1retry,DbConnectionOptionsuserOptions)+143
System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnectionouterConnection,DbConnectionFactoryconnectionFactory,TaskCompletionSource`1retry,DbConnectionOptionsuserOptions)+17
System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1retry)+139
System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1retry)+448
System.Data.SqlClient.SqlConnection.Open()+130
NewFolder1.Css1.user(Stringipkey,Stringr,Int32cl)+154
WebApplication1.api.ProcessRequest(HttpConcon)+499
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()+814
System.Web.HttpApplication.ExecuteStepImpl(IExecutionStepstep)+132
System.Web.HttpApplication.ExecuteStep(IExecutionStepstep,BooleanpletedSynchronously)+73
版本信息Microsoft.NETFramework版本4.0.30319ASP.NET版本4.8.4110.0