Can I use JSON in a WCF Service that uses wsHttpBinding? - asp.net

Question

I need to use wsHttpBinding binding because my service needs access to HttpContext.Current.Session. I understand from my research that this is not possible with webHttpBinding. However all of my ajax is written to use JSON and I would like it very much if I didn't have to rewrite all of it.
My service works perfectly with webHttpBinding until I need to use the session.
Or, is there a way to get webHttpBinding access to the session?
EDIT:
<system.serviceModel>
<serviceHostingEnvironment aspNetCompatibilityEnabled="true" />
<behaviors>
<endpointBehaviors>
<behavior name="LiteBehavior">
<webHttp/>
</behavior>
</endpointBehaviors>
<serviceBehaviors>
<behavior name="LiteBehavior">
<serviceMetadata httpGetEnabled="true"/>
<serviceDebug includeExceptionDetailInFaults="true"/>
</behavior>
</serviceBehaviors>
</behaviors>
<services>
<service behaviorConfiguration="LiteBehavior" name="Lite.CMS.Services.LiteService">
<endpoint behaviorConfiguration="LiteBehavior" address="" binding="webHttpBinding" contract="Lite.CMS.Services.Interfaces.ILiteService" />
</service>
</services>
</system.serviceModel>
And my contract:
[ServiceContract (SessionMode=SessionMode.Allowed)]
public interface ILiteService
{
[WebInvoke(Method = "POST", ResponseFormat = WebMessageFormat.Json, RequestFormat = WebMessageFormat.Json, BodyStyle = WebMessageBodyStyle.WrappedRequest)]
[OperationContract]
void Item_Save(string Name);
}
And Implementation:
[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Required)]
public class LiteService : ILiteService
{
public void Item_Save(string Name)
{
// I can't get access to HttpContext.Current.Session variables here.
}
}

Answer 1

webHttpbinding is a stateless binding, it doesn't use SOAP.
If you try to put SessionMode=SessionMode.Required it will throw an error on service start.
If you want to implement session on a stateless protocol, you'll need to do it by hand with cookies.
See :
http://social.msdn.microsoft.com/Forums/en-US/wcf/thread/fe2a2ce9-ba97-4784-95f8-bdce5ffcd8eb/
How to Manage Sessions in Restful WCF Service
REST WCF service and Session‏ in ASP.NET