• NullReferenceException: Object reference not set to an instance of an object.

  • lambda_method(Closure )

  • Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.Evaluate(Expression expression, out string parameterName)

• 
  
  Show raw exception details

  System.NullReferenceException: Object reference not set to an instance of an object.
     at lambda_method(Closure )
     at Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.Evaluate(Expression expression, String& parameterName)

• InvalidOperationException: An exception was thrown while attempting to evaluate a LINQ query parameter expression. To show additional information call EnableSensitiveDataLogging() when overriding DbContext.OnConfiguring.

  • Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.Evaluate(Expression expression, out string parameterName)

  • Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.TryExtractParameter(Expression expression)

  • Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.VisitMember(MemberExpression memberExpression)

  • System.Linq.Expressions.MemberExpression.Accept(ExpressionVisitor visitor)

  • System.Linq.Expressions.ExpressionVisitor.Visit(Expression node)

  • System.Linq.Expressions.ExpressionVisitor.VisitBinary(BinaryExpression node)

  • Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.VisitBinary(BinaryExpression binaryExpression)

  • System.Linq.Expressions.BinaryExpression.Accept(ExpressionVisitor visitor)

  • System.Linq.Expressions.ExpressionVisitor.Visit(Expression node)

  • System.Linq.Expressions.ExpressionVisitor.VisitLambda(Expression node)

  • Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.VisitLambda(Expression node)

  • System.Linq.Expressions.Expression.Accept(ExpressionVisitor visitor)

  • System.Linq.Expressions.ExpressionVisitor.Visit(Expression node)

  • System.Linq.Expressions.ExpressionVisitor.VisitUnary(UnaryExpression node)

  • Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.VisitUnary(UnaryExpression unaryExpression)

  • System.Linq.Expressions.UnaryExpression.Accept(ExpressionVisitor visitor)

  • System.Linq.Expressions.ExpressionVisitor.Visit(Expression node)

  • System.Dynamic.Utils.ExpressionVisitorUtils.VisitArguments(ExpressionVisitor visitor, IArgumentProvider nodes)

  • System.Linq.Expressions.ExpressionVisitor.VisitMethodCall(MethodCallExpression node)

  • Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.VisitMethodCall(MethodCallExpression methodCallExpression)

  • System.Linq.Expressions.MethodCallExpression.Accept(ExpressionVisitor visitor)

  • System.Linq.Expressions.ExpressionVisitor.Visit(Expression node)

  • System.Dynamic.Utils.ExpressionVisitorUtils.VisitArguments(ExpressionVisitor visitor, IArgumentProvider nodes)

  • System.Linq.Expressions.ExpressionVisitor.VisitMethodCall(MethodCallExpression node)

  • Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.VisitMethodCall(MethodCallExpression methodCallExpression)

  • System.Linq.Expressions.MethodCallExpression.Accept(ExpressionVisitor visitor)

  • System.Linq.Expressions.ExpressionVisitor.Visit(Expression node)

  • Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.ExtractParameters(Expression expression)

  • Microsoft.EntityFrameworkCore.Query.Internal.QueryModelGenerator.ExtractParameters(IDiagnosticsLogger logger, Expression query, IParameterValues parameterValues, bool parameterize, bool generateContextAccessors)

  • Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler.Execute(Expression query)

  • Microsoft.EntityFrameworkCore.Query.Internal.EntityQueryProvider.Execute(Expression expression)

  • Remotion.Linq.QueryableBase.GetEnumerator()

  • System.Collections.Generic.List.AddEnumerable(IEnumerable enumerable)

  • System.Linq.Enumerable.ToList(IEnumerable source)

  • HH.WebSite.Controllers.CaseinfoController.Index(string id) in CaseinfoController.cs

  • lambda_method(Closure , object , object[] )

  • Microsoft.Extensions.Internal.ObjectMethodExecutor.Execute(object target, object[] parameters)

  • Microsoft.AspNetCore.Mvc.Internal.ActionMethodExecutor+SyncActionResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, object controller, object[] arguments)

  • Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeActionMethodAsync()

  • Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeNextActionFilterAsync()

  • Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ActionExecutedContext context)

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

  • Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeInnerFilterAsync()

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

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

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

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

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

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

  • Microsoft.AspNetCore.Session.SessionMiddleware.Invoke(HttpContext context)

  • Microsoft.AspNetCore.Session.SessionMiddleware.Invoke(HttpContext context)

  • Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context)

  • HH.Common.Jump404Middleware.Invoke(HttpContext context) in Jump404MiddlewareExtension.cs

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

• 
  
  Show raw exception details

  System.InvalidOperationException: An exception was thrown while attempting to evaluate a LINQ query parameter expression. To show additional information call EnableSensitiveDataLogging() when overriding DbContext.OnConfiguring. ---> System.NullReferenceException: Object reference not set to an instance of an object.
     at lambda_method(Closure )
     at Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.Evaluate(Expression expression, String& parameterName)
     --- End of inner exception stack trace ---
     at Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.Evaluate(Expression expression, String& parameterName)
     at Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.TryExtractParameter(Expression expression)
     at Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.VisitMember(MemberExpression memberExpression)
     at System.Linq.Expressions.MemberExpression.Accept(ExpressionVisitor visitor)
     at System.Linq.Expressions.ExpressionVisitor.Visit(Expression node)
     at System.Linq.Expressions.ExpressionVisitor.VisitBinary(BinaryExpression node)
     at Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.VisitBinary(BinaryExpression binaryExpression)
     at System.Linq.Expressions.BinaryExpression.Accept(ExpressionVisitor visitor)
     at System.Linq.Expressions.ExpressionVisitor.Visit(Expression node)
     at System.Linq.Expressions.ExpressionVisitor.VisitLambda[T](Expression`1 node)
     at Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.VisitLambda[T](Expression`1 node)
     at System.Linq.Expressions.Expression`1.Accept(ExpressionVisitor visitor)
     at System.Linq.Expressions.ExpressionVisitor.Visit(Expression node)
     at System.Linq.Expressions.ExpressionVisitor.VisitUnary(UnaryExpression node)
     at Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.VisitUnary(UnaryExpression unaryExpression)
     at System.Linq.Expressions.UnaryExpression.Accept(ExpressionVisitor visitor)
     at System.Linq.Expressions.ExpressionVisitor.Visit(Expression node)
     at System.Dynamic.Utils.ExpressionVisitorUtils.VisitArguments(ExpressionVisitor visitor, IArgumentProvider nodes)
     at System.Linq.Expressions.ExpressionVisitor.VisitMethodCall(MethodCallExpression node)
     at Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.VisitMethodCall(MethodCallExpression methodCallExpression)
     at System.Linq.Expressions.MethodCallExpression.Accept(ExpressionVisitor visitor)
     at System.Linq.Expressions.ExpressionVisitor.Visit(Expression node)
     at System.Dynamic.Utils.ExpressionVisitorUtils.VisitArguments(ExpressionVisitor visitor, IArgumentProvider nodes)
     at System.Linq.Expressions.ExpressionVisitor.VisitMethodCall(MethodCallExpression node)
     at Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.VisitMethodCall(MethodCallExpression methodCallExpression)
     at System.Linq.Expressions.MethodCallExpression.Accept(ExpressionVisitor visitor)
     at System.Linq.Expressions.ExpressionVisitor.Visit(Expression node)
     at Microsoft.EntityFrameworkCore.Query.ExpressionVisitors.Internal.ParameterExtractingExpressionVisitor.ExtractParameters(Expression expression)
     at Microsoft.EntityFrameworkCore.Query.Internal.QueryModelGenerator.ExtractParameters(IDiagnosticsLogger`1 logger, Expression query, IParameterValues parameterValues, Boolean parameterize, Boolean generateContextAccessors)
     at Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler.Execute[TResult](Expression query)
     at Microsoft.EntityFrameworkCore.Query.Internal.EntityQueryProvider.Execute[TResult](Expression expression)
     at Remotion.Linq.QueryableBase`1.GetEnumerator()
     at System.Collections.Generic.List`1.AddEnumerable(IEnumerable`1 enumerable)
     at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
     at HH.WebSite.Controllers.CaseinfoController.Index(String id) in G:\项目文件\yitong-automation\HH.WebSite\Controllers\CaseinfoController.cs:line 83
     at lambda_method(Closure , Object , Object[] )
     at Microsoft.Extensions.Internal.ObjectMethodExecutor.Execute(Object target, Object[] parameters)
     at Microsoft.AspNetCore.Mvc.Internal.ActionMethodExecutor.SyncActionResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)
     at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeActionMethodAsync()
     at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeNextActionFilterAsync()
     at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ActionExecutedContext context)
     at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
     at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeInnerFilterAsync()
     at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter()
     at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context)
     at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
     at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync()
     at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeAsync()
     at Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext)
     at Microsoft.AspNetCore.Session.SessionMiddleware.Invoke(HttpContext context)
     at Microsoft.AspNetCore.Session.SessionMiddleware.Invoke(HttpContext context)
     at Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context)
     at HH.Common.Jump404Middleware.Invoke(HttpContext context) in G:\项目文件\yitong-automation\HH.Common\Jump404MiddlewareExtension.cs:line 24
     at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)

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