System.Reflection.TargetParameterCountException: Parameter count mismatch.

[sagarkul]

I have MyResource.cs contains List and List.
Here I am getting an error as follow.

System.Reflection.TargetParameterCountException: Parameter count mismatch. at System.Reflection.RuntimeMethodInfo.InvokeArgumentsCheck(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at System.Reflection.RuntimePropertyInfo.GetValue(Object obj, Object[] index) at CareMentor.Web.Filters.LinkRewritingFilter.RewriteLinksInNestedObjects(IEnumerable1 objectProperties, Object obj, LinkRewriter rewriter) in C:\Web\Filters\LinkRewritingFilter.cs:line 95
at CareMentor.Web.Filters.LinkRewritingFilter.RewriteAllLinks(Object model, LinkRewriter rewriter) in C:\Web\Filters\LinkRewritingFilter.cs:line 79
at CareMentor.Web.Filters.LinkRewritingFilter.RewriteLinksInNestedObjects(IEnumerable1 objectProperties, Object obj, LinkRewriter rewriter) in C:\Web\Filters\LinkRewritingFilter.cs:line 95 at CareMentor.Web.Filters.LinkRewritingFilter.RewriteAllLinks(Object model, LinkRewriter rewriter) in C:\Web\Filters\LinkRewritingFilter.cs:line 79 at CareMentor.Web.Filters.LinkRewritingFilter.RewriteLinksInArrays(IEnumerable1 arrayProperties, Object obj, LinkRewriter rewriter) in C:\Web\Filters\LinkRewritingFilter.cs:line 111
at CareMentor.Web.Filters.LinkRewritingFilter.RewriteAllLinks(Object model, LinkRewriter rewriter) in C:\Web\Filters\LinkRewritingFilter.cs:line 76
at CareMentor.Web.Filters.LinkRewritingFilter.d__2.MoveNext() in C:\Web\Filters\LinkRewritingFilter.cs:line 38
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.d__24.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResultExecutedContext context)
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.d__22.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
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.d__17.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.d__15.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.AspNetCore.Builder.RouterMiddleware.d__4.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.AspNetCore.Cors.Infrastructure.CorsMiddleware.d__7.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.AspNetCore.ResponseCompression.ResponseCompressionMiddleware.d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.AspNetCore.ResponseCaching.ResponseCachingMiddleware.d__9.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.d__6.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.d__6.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at CareMentor.Web.Startup.<>c.<b__5_0>d.MoveNext() in C:\Web\Startup.cs:line 149
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware.d__6.MoveNext()`

[nbarbettini]

Interesting! I'll take a look at this when I can. Are you following my video course, or just trying out this code yourself?

Can you paste your MyResource definition?

[carlosmacbeath]

I' m geeting and error using net core 2

[sagarkul]

here is my resource class

public class MyResource { public ChannelDetailResource ChannelDetail { get; set; } public string TopicName { get; set; } public string TopicDescription { get; set; } [JsonConverter(typeof(StringEnumConverter))] public MediaType MediaType { get; set; } public string ThumbnailUrl { get; set; } public string ContentUrl { get; set; } [JsonConverter(typeof(StringEnumConverter))] public List<ContentCategory> Categories { get; set; } [JsonConverter(typeof(StringEnumConverter))] public List<Disease> Diseases { get; set; } public string Source { get; set; } [JsonConverter(typeof(StringEnumConverter))] public ContentLevel Level { get; set; } public string Notes { get; set; } public string CuratedBy { get; set; } public string Language { get; set; } public double Duration { get; set; } public bool View { get; set; } public bool Like { get; set; } public bool Dislike { get; set; } }

[rclanan]

public class MyResource : Resource

You need to make sure it inherits from Resource or you will see that error.