System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +941

System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +143

System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +17

System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +139

System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +448

System.Data.SqlClient.SqlConnection.Open() +130

NewFolder1.Class1.user(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& completedSynchronously) +73

版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.8.4110.0