k__BackingField remove in C# (seen via Swashbuckle / Swagger)

Question

I am using Swashbuckle 5 in my ASP.NET webapi project with all default settings. It serializes my method\'s output in order to show me schema of the reply. I am getting docu

Answer 1

Add this to WebApiConfig.cs:

config.Formatters.JsonFormatter.SerializerSettings.ContractResolver =
    new DefaultContractResolver { IgnoreSerializableAttribute = true };

This resolves the issue for classes marked with [Serializable]. I also have intermittent problems even if no classes have that attribute, so I always use this setting now.