Hosting a WCF service in Windows Sharepoint Services v3.0

re: Hosting a WCF service in Windows Sharepoint Services v3.0

greap — Thu, 04 Oct 2007 21:57:30 GMT

Just saved me an hour of debugging, thanks!

re: Hosting a WCF service in Windows Sharepoint Services v3.0

Dan Meineck — Wed, 21 Nov 2007 16:42:44 GMT

I have done this and it all worked - thank you.

The problem i have is that the object SPContext.Current is always null when called from within a method in my SharePoint hosted WCF service - does anyone know why?

Cheers,

Dan

re: Hosting a WCF service in Windows Sharepoint Services v3.0

gzunino — Thu, 22 Nov 2007 06:37:47 GMT

Dan: Requests to WCF services are handled quite differently from requests to ASMX services.

Essentially, in the very early stage of request processing the system determine if the request is for a WCF service or something else. Requests to WCF services get removed from the regular ASP.NET request pipeline almost immediately. This has the following implications:

* HttpModules do not get to run. This is very noticeable if you try to secure the service using ASMX web.config constructs like <authorization>

* You do not have access to System.Web.HttpContext.Current. This is because WCF has its own context concept, distinct from ASP.NET one.

WSS expects the requests to go through the ASP.NET pipeline (it epxects HttpContext.Current as well as many other ASP.NET only things). This is why SPContext.Current is not working: it is initialized by a WSS HttpModule which did not get a chance to run.

There are many ways to get around this. One of the best way is to create an SPSite or SPWeb using the Request Url. This is in fact what the SPContext does under the cover.

Thanks,

-Gilles.

re: Hosting a WCF service in Windows Sharepoint Services v3.0

akramer — Mon, 26 Nov 2007 18:42:12 GMT

Could anyone send me an example .svc file. and where exactly I need to deploy the .svc file and where to deploy the service code

Thanks,

Ahron

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The following examples demonstrates a JavaScript client calling into a WCF Service which allows updates

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