Bản khai lý lịch mẫu số 02

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ExecuteReader requires an xuất hiện and available Connection. The connection"s current state is closed.

Description: An unhandled exception occurred during the execution of the current web request. Please đánh giá the stack trace for more information about the error và where it originated in the code. Exception Details: System.InvalidOperationException: ExecuteReader requires an mở cửa and available Connection.


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The connection"s current state is closed. Source Error:
An unhandled exception was generated during the execution of the current website request. Information regarding the origin & location of the exception can be identified using the exception stack trace below.
Stack Trace:
System.Data.SqlClient.SqlCommand.ValidateCommand(String method, Boolean async) +676 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry) +155 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) +83 System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) +198 System.Data.Entity.Infrastructure.Interception.InternalDispatcher`1.Dispatch(TTarget target, Func`3 operation, TInterceptionContext interceptionContext, Action`3 executing, Action`3 executed) +104 System.Data.Entity.Infrastructure.Interception.DbCommandDispatcher.Reader(DbCommand command, DbCommandInterceptionContext interceptionContext) +499 System.Data.Entity.Core.EntityClient.Internal.EntityCommandDefinition.ExecuteStoreCommands(EntityCommand entityCommand, CommandBehavior behavior) +36 System.Data.Entity.Core.EntityClient.Internal.EntityCommandDefinition.ExecuteStoreCommands(EntityCommand entityCommand, CommandBehavior behavior) +125 System.Data.Entity.Core.Objects.Internal.ObjectQueryExecutionPlan.Execute(ObjectContext context, ObjectParameterCollection parameterValues) +1014 System.Data.Entity.Core.Objects.ObjectContext.ExecuteInTransaction(Func`1 func, IDbExecutionStrategy executionStrategy, Boolean startLocalTransaction, Boolean releaseConnectionOnSuccess) +459 System.Data.Entity.Core.Objects.c__DisplayClass7.b__5() +203 System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute(Func`1 operation) +234 System.Data.Entity.Core.Objects.ObjectQuery`1.GetResults(Nullable`1 forMergeOption) +354 System.Data.Entity.Core.Objects.ObjectQuery`1..GetEnumerator>b__0() +30 System.Data.Entity.Internal.LazyEnumerator`1.MoveNext() +39 System.Linq.Enumerable.FirstOrDefault(IEnumerable`1 source) +146 Web.App_Start.SubDomainRoute.GetRouteData(HttpContextBase httpContext) in D:Dell7440_Vu_1904Asp Netcodeihometour.vn_200WebApp_StartSubDomainRoute.cs:40 System.Web.Routing.RouteCollection.GetRouteData(HttpContextBase httpContext) +228 System.Web.Routing.UrlRoutingModule.PostResolveRequestCache(HttpContextBase context) +70 System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +139 System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +88
Version Information:
Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3770.0