Question

I successfully added a WCF Service Reference to my ASP.NET project, but I’m not able to use it.
I can’t import the service referenece via using MyProject.MyService.

This worked in a standard Windows Form project and I now, that the requested service is working.

Thanks for your help.

Edit:
There occure Warnings during the generation of the service client
I think the “main” warning is the following

Warning 1   Custom tool warning: Cannot import wsdl:portType
Detail: An exception was thrown while running a WSDL import extension:System.ServiceModel.Description.DataContractSerializerMessageContractImporter
Error: Type 'Newtonsoft.Json.Linq.JToken' is a recursive collection data contract which is not supported. Consider modifying the definition of collection 'Newtonsoft.Json.Linq.JToken' to remove references to itself.

This warning comes only at the generation in an ASP.NET project. The generation works in my other projects.

It seems that this is a problem of a class I’m not responsible for. May I have to change the settings for the service reference creation or avoid some imports in the original WCF Service class?

Answer 1

We need some more information in order to troubleshoot this for you. Is the reference being added but you cannot use it?

I would suggest looking at the reference.cs file (under the service reference, you may need to tell solution explorer to show all files – little icon of the folders and files at the top) and seeing what namespace it has been generated with.

I think you’re probably just not using the correct namespace to reference the client.

The other possibility: check for any compiler warnings, they might give you a clue as to what is going on.

EDIT: This seems to be an issue encountered by others. Do you have the json.net package installed?

Please see the following for details:

Getting "Recursive collection data contract" when referencing a WCF service with a slightly complex method