Test

HelloWithGenericInheritance

Imports System
Imports System.Collections
Imports System.Collections.Generic
Imports System.Runtime.Serialization
Imports ServiceStack
Imports ServiceStack.DataAnnotations
Imports Test.ServiceModel
Imports Test.ServiceModel.Types

Namespace Global

    Namespace Test.ServiceModel

        Public Partial Class HelloBase(Of T)
            Public Sub New()
                Items = New List(Of T)
                Counts = New List(Of Integer)
            End Sub

            Public Overridable Property Items As List(Of T)
            Public Overridable Property Counts As List(Of Integer)
        End Class

        Public Partial Class HelloWithGenericInheritance
            Inherits HelloBase(Of Poco)
            Public Overridable Property Result As String
        End Class
    End Namespace

    Namespace Test.ServiceModel.Types

        Public Partial Class Poco
            Public Overridable Property Name As String
        End Class
    End Namespace
End Namespace

VB.NET HelloWithGenericInheritance DTOs

To override the Content-type in your clients, use the HTTP Accept Header, append the .json suffix or ?format=json

To embed the response in a jsonp callback, append ?callback=myCallback

HTTP + JSON

The following are sample HTTP requests and responses. The placeholders shown need to be replaced with actual values.

POST /json/oneway/HelloWithGenericInheritance HTTP/1.1 
Host: test.servicestack.net 
Accept: application/json
Content-Type: application/json
Content-Length: length

{"result":"String","items":[{"name":"String"}],"counts":[0]}