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eroare interna a serverului

12/02/2022
Știri Bitcoin Ethereum
eroare interna a serverului

InvalidOperationException: Secvența nu conține elemente

Imagine

System.Linq.Enumerable.Single (IEnumerabil sursă)


  • InvalidOperationException: Secvența nu conține elemente


    • System.Linq.Enumerable.Single (IEnumerabil sursă)



    • lambda_method(Închidere)



    • Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider+ResultEnumerable .GetEnumerator()



    • Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider._TrackEntities (IEnumerabil rezultate, QueryContext queryContext, IList entityTrackingInfos, IList > entityAccessors)+MoveNext()



    • Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider+ExceptionInterceptor +EnumeratorExceptionInterceptor.MoveNext()



    • System.Linq.Enumerable.TryGetFirst (IEnumerabil sursa, out bool găsit)



    • System.Linq.Enumerable.Primul (IEnumerabil sursă)



    • Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler+<>c__DisplayClass15_1 . b__0(QueryContext qc)



    • Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler.Execute (Interogare de expresie)



    • Microsoft.EntityFrameworkCore.Query.Internal.EntityQueryProvider.Execute (expresie expresie)



    • System.Linq.Queryable.Single (IQueryable sursă)



    • BlockchainNews.Pages.PostModel.OnGet(id șir, id2 șir) în news.cshtml.cs



    • lambda_method(Închidere, obiect, obiect[])



    • Microsoft.AspNetCore.Mvc.RazorPages.Internal.ExecutorFactory+ActionResultHandlerMethod.Execute(object receiver, object[] arguments)



    • Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.InvokeHandlerMethodAsync()



    • Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.InvokeNextPageFilterAsync()



    • Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.Rethrow(context PageHandlerExecutedContext)



    • Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.Next (ref State next, ref Scope scope, ref object state, ref bool isCompleted)



    • Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.InvokeInnerFilterAsync()



    • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter()



    • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(context ResourceExecutedContext)



    • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next (Starea de referință în continuare, domeniul de aplicare ref, starea obiectului de referință, ref bool este Completat)



    • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync()



    • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeAsync()



    • Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext)



    • Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(context HttpContext)




  • System.InvalidOperationException: Secvența nu conține elemente la System.Linq.Enumerable.Single[TSource](IEnumerable`1 sursă) la lambda_method(Closure ) la Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider.ResultEnumerable`1.GetEnu la Microsoft. .EntityFrameworkCore.Query.Internal.LinqOperatorProvider._TrackEntities[TOut,TIn](rezultate IEnumerable`1, QueryContext queryContext, IList`1 entityTrackingInfos, IList`1 entityAccessors)+MoveNext() la Microsoft.EntityFramework.Interceptor.LinqFramework.Interceptor.Exception.Interceptor. `1.EnumeratorExceptionInterceptor.MoveNext() la System.Linq.Enumerable.TryGetFirst[TSource](IEnumerable`1 sursă, Boolean& găsit) la System.Linq.Enumerable.First[TSource](IEnumerable`1 sursă) la Microsoft.EntityFramework. Query.Internal.QueryCompiler.<>c__DisplayClass15_1`1. b__0(QueryContext qc) la Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler.Execute[TResult](Expression interogare) la Microsoft.EntityFrameworkCore.Query.Internal.EntityQueryProvider.Execute[TResult](Expression expression) la Query System.Linq. Single[TSource](IQueryable`1 sursă) la BlockchainNews.Pages.PostModel.OnGet(String id, String id2) în D:\a\1\s\BlockchainNews\Pages\news.cshtml.cs:line 75 la lambda_method( Closure , Object , Object[] ) la Microsoft.AspNetCore.Mvc.RazorPages.Internal.ExecutorFactory.ActionResultHandlerMethod.Execute(Object receiver, Object[] arguments) la Microsoft.AspNetCore.Mvc.RazorPages.Internal.Method.MethodInvod.PageActionHand.Method. Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.InvokeNextPageFilterAsync() la Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.Rethrow(PageHandlerExecutedContext context) la Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.Rethrow(PageHandlerExecutedContext context) la Microsoft.Page.Mvc. , Domeniu și domeniu, Obiect și stare, Boolean& isCompleted) la Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.InvokeInnerFilterAsync() la Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter() la Microsoft.AspNetCore.Mvc.Internal.ResourceFilter() la Microsoft.AspNetCore.Mvc. Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) la Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync() la Microsoft.RespNetCoreInternal.Mvc.CoreInvoker.Mvc. () la Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext) la Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)








Sursa: https://blockchain.news/news/ftx-japan-prepares-refund