Syste.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnectionouterConnection，DbConnectionFactorynnectionFactory，TaskCopletionSource`1retry，DbConnectionOptionserOptions)+143
Syste.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnectionouterConnection，DbConnectionFactorynnectionFactory，TaskCopletionSource`1retry，DbConnectionOptionserOptions)+17
Syste.Data.SqlClient.SqlConnection.TryOpenInner(TaskCopletionSource`1retry)+139
Syste.Data.SqlClient.SqlConnection.TryOpen(TaskCopletionSource`1retry)+448
Syste.Data.SqlClient.SqlConnection.Open()+130
NeFolder1.Css1.er(Strgipkey，Strgrz，Int32cl)+154
ebApplication1.api.ProcessRequest(HttpContextntext)+499
Syste.eb.CallHandlerExecutionStep.Syste.eb.HttpApplication.IExecutionStep.Execute()+814
Syste.eb.HttpApplication.ExecuteStepIpl(IExecutionStepstep)+132
Syste.eb.HttpApplication.ExecuteStep(IExecutionStepstep，Boolean&pletedSynchronoly)+73
版本信息:Microsoft.NETFraork版本:4.0.30319;ASP.NET版本:4.8.4110.0