Server Error in ‘/’ Application.

محمد السواح
Posted by كتب محمد السواح 15 أغسطس، 2021


Unable to cast object of type ‘WhereSelectEnumerableIterator`2[System.Data.DataRow,Btolat.Data.Infrastructure.ITags]’ to type ‘System.Collections.Generic.IEnumerable`1[Btolat.Data.Infrastructure.INews]’.







Unable to cast object of type ‘WhereSelectEnumerableIterator`2[System.Data.DataRow,Btolat.Data.Infrastructure.ITags]’ to type ‘System.Collections.Generic.IEnumerable`1[Btolat.Data.Infrastructure.INews]’.





Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidCastException: Unable to cast object of type ‘WhereSelectEnumerableIterator`2[System.Data.DataRow,Btolat.Data.Infrastructure.ITags]’ to type ‘System.Collections.Generic.IEnumerable`1[Btolat.Data.Infrastructure.INews]’.

Source Error:






An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.






Stack Trace: 





[InvalidCastException: Unable to cast object of type 'WhereSelectEnumerableIterator`2[System.Data.DataRow,Btolat.Data.Infrastructure.ITags]' to type 'System.Collections.Generic.IEnumerable`1[Btolat.Data.Infrastructure.INews]'.]
   Btolat.Common.Caching.MemoryCacheManager.Get(String key) in G:!WorkDevelopmentVisual StudiowebAspNetBtolat2020LibrariesBtolat.CommonCachingMemoryCacheManager.cs:35
   Btolat.Common.Caching.CacheExtensions.Get(ICacheManager cacheManager, String key, Int32 cacheTime, Func`1 acquire) in G:!WorkDevelopmentVisual StudiowebAspNetBtolat2020LibrariesBtolat.CommonCachingCacheExtensions.cs:42
   Btolat.Common.Caching.CacheExtensions.Get(ICacheManager cacheManager, String key, Func`1 acquire, Int32 cacheTime) in G:!WorkDevelopmentVisual StudiowebAspNetBtolat2020LibrariesBtolat.CommonCachingCacheExtensions.cs:26
   Btolat.Services.News.NewsService.Details(Int32 newsid) in G:!WorkDevelopmentVisual StudiowebAspNetBtolat2020Btolat.ServicesNewsNewsService.cs:257
   Btolat.DeskTop.Controllers.NewsController.Details(String id) in G:!WorkDevelopmentVisual StudiowebAspNetBtolat2020Btolat.DeskTopControllersNewsController.cs:90
   lambda_method(Closure , ControllerBase , Object[] ) +139
   System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +35
   System.Web.Mvc.Async.<>c.<BeginInvokeSynchronousActionMethod>b__9_0(IAsyncResult asyncResult, ActionInvocation innerInvokeState) +39
   System.Web.Mvc.Async.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult) +70
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) +42
   System.Web.Mvc.Async.<>c__DisplayClass11_0.<InvokeActionMethodFilterAsynchronouslyRecursive>b__0() +80
   System.Web.Mvc.Async.<>c__DisplayClass11_2.<InvokeActionMethodFilterAsynchronouslyRecursive>b__2() +387
   System.Web.Mvc.Async.<>c__DisplayClass11_2.<InvokeActionMethodFilterAsynchronouslyRecursive>b__2() +387
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) +42
   System.Web.Mvc.Async.<>c__DisplayClass3_6.<BeginInvokeAction>b__4() +50
   System.Web.Mvc.Async.<>c__DisplayClass3_1.<BeginInvokeAction>b__1(IAsyncResult asyncResult) +188
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +38
   System.Web.Mvc.<>c.<BeginExecuteCore>b__152_1(IAsyncResult asyncResult, ExecuteCoreState innerState) +26
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +68
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +52
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +39
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +38
   System.Web.Mvc.<>c.<BeginProcessRequest>b__20_1(IAsyncResult asyncResult, ProcessRequestState innerState) +40
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +68
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +38
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +602
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +128








Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3770.0