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                “/”应用程序中的服务器错误。

                A parameter named 'p__linq__0' already exists in the parameter collection. Parameter names must be unique in the parameter collection.
                参数名: item

                说明: 执行当前 Web 请求期间,出现未经处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。

                异常详细信息: System.ArgumentException: A parameter named 'p__linq__0' already exists in the parameter collection. Parameter names must be unique in the parameter collection.
                参数名: item

                源错误:

                执行当前 Web 请求期间生成了未经处理的异常。可以使用下面的异常堆栈跟踪信息确定有关异常原因和发生位置的信息。

                堆栈跟踪:

                
                [ArgumentException: A parameter named 'p__linq__0' already exists in the parameter collection. Parameter names must be unique in the parameter collection.
                参数名: item]
                   System.Data.Entity.Core.Objects.ObjectParameterCollection.Add(ObjectParameter item) +215
                   System.Data.Entity.Core.Objects.ELinq.ELinqQueryState.GetExecutionPlan(Nullable`1 forMergeOption) +539
                   System.Data.Entity.Core.Objects.<>c__DisplayClass7.<GetResults>b__6() +39
                   System.Data.Entity.Core.Objects.ObjectContext.ExecuteInTransaction(Func`1 func, IDbExecutionStrategy executionStrategy, Boolean startLocalTransaction, Boolean releaseConnectionOnSuccess) +288
                   System.Data.Entity.Core.Objects.<>c__DisplayClass7.<GetResults>b__5() +142
                   System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute(Func`1 operation) +189
                   System.Data.Entity.Core.Objects.ObjectQuery`1.GetResults(Nullable`1 forMergeOption) +279
                   System.Data.Entity.Core.Objects.ObjectQuery`1.<System.Collections.Generic.IEnumerable<T>.GetEnumerator>b__0() +11
                   System.Data.Entity.Internal.LazyEnumerator`1.MoveNext() +45
                   CloudShop.WebApp.Controllers.SitesController.Index(String language, String actions, String bid, String id) +130360
                   lambda_method(Closure , ControllerBase , Object[] ) +243
                   System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters) +14
                   System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +157
                   System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +27
                   System.Web.Mvc.Async.AsyncControllerActionInvoker.<BeginInvokeSynchronousActionMethod>b__36(IAsyncResult asyncResult, ActionInvocation innerInvokeState) +22
                   System.Web.Mvc.Async.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult) +29
                   System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49
                   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) +32
                   System.Web.Mvc.Async.AsyncInvocationWithFilters.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3c() +50
                   System.Web.Mvc.Async.<>c__DisplayClass45.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3e() +228
                   System.Web.Mvc.Async.<>c__DisplayClass45.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3e() +228
                   System.Web.Mvc.Async.<>c__DisplayClass30.<BeginInvokeActionMethodWithFilters>b__2f(IAsyncResult asyncResult) +10
                   System.Web.Mvc.Async.WrappedAsyncResult`1.CallEndDelegate(IAsyncResult asyncResult) +10
                   System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49
                   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) +34
                   System.Web.Mvc.Async.<>c__DisplayClass28.<BeginInvokeAction>b__19() +26
                   System.Web.Mvc.Async.<>c__DisplayClass1e.<BeginInvokeAction>b__1b(IAsyncResult asyncResult) +100
                   System.Web.Mvc.Async.WrappedAsyncResult`1.CallEndDelegate(IAsyncResult asyncResult) +10
                   System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49
                   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +27
                   System.Web.Mvc.Controller.<BeginExecuteCore>b__1d(IAsyncResult asyncResult, ExecuteCoreState innerState) +13
                   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +29
                   System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49
                   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +38
                   System.Web.Mvc.Controller.<BeginExecute>b__15(IAsyncResult asyncResult, Controller controller) +12
                   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +22
                   System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49
                   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +28
                   System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +10
                   System.Web.Mvc.MvcHandler.<BeginProcessRequest>b__4(IAsyncResult asyncResult, ProcessRequestState innerState) +21
                   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +29
                   System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +49
                   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +28
                   System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +9
                   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +9873917
                   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +48
                   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +159
                


                版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.7.3770.0