Silverlight Web Services Team

Everything about WCF and web services support in Silverlight

Known issues with RIA Services V1 SP2 on Visual Studio 11 Beta

RIA Services V1 SP2 works great with With Visual Studio 11 Beta. There are a few small issues to be...

Author: Yavor Georgiev - MSFT Date: 03/05/2012

RIA Services SP2 RTW released

Please check out my blog post with release details.

Author: Yavor Georgiev - MSFT Date: 12/09/2011

Slightly fake active federation with WCF and WIF

Just blogged how to implement an active federation flow from Silverlight using WS-Trust and WIF....

Author: Yavor Georgiev - MSFT Date: 10/06/2011

Some notes on PollingDuplex callback management

Our cutomer Chris Bardon just published his thoughts on how to simplify callback management in...

Author: Yavor Georgiev - MSFT Date: 08/29/2011

Extensibility interfaces for Windows Phone 7 and Silverlight 3

The extensibility interfaces (IClientMessageFormatter, IClientMessageInspector, IParameterInspector)...

Author: CarlosFigueira Date: 06/28/2011

Custom serialization in Silverlight

Unlike in the desktop framework, Silverlight doesn't have a good extensibility point for replacing...

Author: CarlosFigueira Date: 06/07/2011

Hosting WCF NetTcp services in Azure with a Silverlight client

Just published a blog post on how to host WCF NetTcp services in Windows Azure and use them from a...

Author: Yavor Georgiev - MSFT Date: 05/16/2011

Active Federation using RIA Services and WIF

You may have built a federated auth app with RIA Services, but it always required cumbersome browser...

Author: Yavor Georgiev - MSFT Date: 05/12/2011

RIA Services T4 template to copy comments from server to client

Just posted a sample about how to use the T4 code-generation template support in RIA Services V1 SP1...

Author: Yavor Georgiev - MSFT Date: 04/05/2011

Accessing SharePoint UserProfileService from Windows Phone 7

A while ago we shared a workaround for accessing some ASMX services (including SharePoint's...

Author: Yavor Georgiev - MSFT Date: 03/07/2011

PollingDuplex using MultipleMessagesPerPoll issue in latest SL4 GDRs

Some customers are reporting on the Silverlight forums that they are unable to have a functional...

Author: Yavor Georgiev - MSFT Date: 12/15/2010

Silverlight Firestarter

Thanks to everyone who joined us for the WCF and WCF RIA Services talks today at the Silverlight...

Author: Yavor Georgiev - MSFT Date: 12/02/2010

WCF Web APIs on wcf.codeplex.com

Today we are announcing the first release of WCF Web APIs on wcf.codeplex.com, just in time for PDC...

Author: Yavor Georgiev - MSFT Date: 10/29/2010

Getting the WebOperationContext of a HTTP response in Silverlight

Here is a little code snippet that shows how to work with WebOperationContext for HTTP responses in...

Author: Yavor Georgiev - MSFT Date: 10/20/2010

Debugging WCF services in Silverlight

Hi folks – check out this new SilverlightTV video, going over some of the common errors you may...

Author: Yavor Georgiev - MSFT Date: 09/23/2010

Integrating WCF RIA Services with WCF Routing

If any of you have used RIA Services and tried to get that to work with the WCF router, you probably...

Author: Yavor Georgiev - MSFT Date: 08/24/2010

Silverlight HTML5 WebSocket client with an HTML bridge to Ajax/JavaScript

As part of our ongoing experimentation with the HTML5 WebSocket proposed standard for duplex...

Author: Yavor Georgiev - MSFT Date: 07/26/2010

Cross-domain file for self-hosted TCP services

With the new transport (TCP) added in SL4, and a few people started asking how to serve the...

Author: Yavor Georgiev - MSFT Date: 07/24/2010

Fixed a problem with comments

It appears that MSDN’s new blog engine has started more aggressively marking comments for...

Author: Yavor Georgiev - MSFT Date: 07/19/2010

PollingDuplex multiple mode timeouts demystified

The new MultipleMessagesPerPoll mode added to PollingDuplex in Silverlight 4, comes with some new...

Author: Yavor Georgiev - MSFT Date: 07/16/2010

Streamed Silverlight file downloads using WCF

Carlos, one of my teammates responsible for WCF support in Silverlight, just posted a code sample...

Author: Yavor Georgiev - MSFT Date: 07/16/2010

Laharsub: HTTP REST pub/sub service for AJAX and Silverlight web clients

I would like to invite you to review, download, use, tweak, and provide feedback for an experimental...

Author: Yavor Georgiev - MSFT Date: 07/13/2010

How can we make WCF support in Silverlight better?

Sometimes as a team we get carried away trying to add new features to the product, when we should...

Author: Yavor Georgiev - MSFT Date: 06/29/2010

HTTP duplex messaging improvements in Silverlight 4

One of the new features in the WCF stack in Silverlight 4 is an improvement of our PollingDuplex...

Author: Yavor Georgiev - MSFT Date: 06/25/2010

Duplex communication with WCF on Silverlight TV

Silverlight TV episode about Duplex communication with WCF in Silverlight is beginning to air today....

Author: Yavor Georgiev - MSFT Date: 06/24/2010

Workaround for accessing some ASMX services from Silverlight 4

On this blog we normally talk about building and accessing WCF services, since that is the...

Author: Yavor Georgiev - MSFT Date: 05/26/2010

Fiddler inspector for WCF Silverlight Polling Duplex and WCF RIA

Fiddler is a wild popular tool for web development debugging. It enables user to look at the http...

Author: Yavor Georgiev - MSFT Date: 05/10/2010

The case of null httpcontext.current.session

Because of un-addressable client in SL, we introduced Polling Duplex channel to support callback in...

Author: Yavor Georgiev - MSFT Date: 05/05/2010

Workaround for StackOverflowException when using SlSvcUtil.exe

Some developers reported to us they were experiencing StackOverflowException when using...

Author: Yavor Georgiev - MSFT Date: 04/30/2010

Consuming REST/POX and REST/JSON services in Silverlight 4

A new feature in Silverlight 4 is the ability to consume REST/POX (XML) services in a strongly-typed...

Author: Yavor Georgiev - MSFT Date: 04/29/2010

Dealing with those pesky WCF CommunicationException “NotFound” errors in Silverlight

We have blogged and written about this before, but it keeps coming back as a major pain point when...

Author: Yavor Georgiev - MSFT Date: 04/15/2010

Policy file for NetTcp

As part of Silverlight 4, developers can now use the NetTcp framing protocol for their web services....

Author: Yavor Georgiev - MSFT Date: 04/09/2010

Tracing PollingDuplex in Silverlight 4

Did you know it is now easier to debug the server side PollingDuplex in Silverlight 4? With the...

Author: Yavor Georgiev - MSFT Date: 04/09/2010

Dynamically updating proxy address for staging/production

I’ve been meaning to blog this for a while, but Tim Heuer beat me to it. His post shows how to...

Author: Yavor Georgiev - MSFT Date: 04/05/2010

Some known WCF issues in Silverlight 4

When shipping a product, there are always a handful of painful issues that we unfortunately cannot...

Author: Yavor Georgiev - MSFT Date: 04/04/2010

MIX 2010 talk: what’s new in WCF in Silverlight 4

I just realized I never got around to posting this. Here is a link to our presentation at MIX 2010....

Author: Yavor Georgiev - MSFT Date: 04/04/2010

Comparison of HTTP polling duplex and net.tcp performance in Silverlight 4 RC

One of the new features added in Silverlight 4 RC that shipped at MIX 2010 is a new mode of the HTTP...

Author: Yavor Georgiev - MSFT Date: 03/27/2010

Two samples from today's MIX talk

Thanks to the folks who attended my talk at MIX 2010 today. As promised, I'm posting the two samples...

Author: Yavor Georgiev - MSFT Date: 03/17/2010

Making slsvcutil behave like “Add Service Reference”

Just a quick note to clarify a subject where we get a lot of questions. By default, running Add...

Author: Yavor Georgiev - MSFT Date: 03/03/2010

PDC presentation and demo

Here is my presentation at last week’s PDC conference about what’s new in networking and web...

Author: Yavor Georgiev - MSFT Date: 12/18/2009

PollingDuplex scaling in Windows Azure

One of the great sessions at this year’s PDC talked about a collaboration between Invensys and...

Author: Yavor Georgiev - MSFT Date: 11/24/2009

WCF net.tcp protocol in Silverlight 4 Beta

Support for the WCF net.tcp protocol is the key feature addition in the core of WCF offering in...

Author: Yavor Georgiev - MSFT Date: 11/18/2009

New Web Services Features in Silverlight 4 Beta

This morning at PDC ’09 ScottGu just announced the availability of Silverlight 4 Beta. Later on...

Author: Yavor Georgiev - MSFT Date: 11/18/2009

Adoption of Silverlight serialization and communication technologies in web applications – October 2009

We have repeated the research of the adoption of communication and serialization technologies in...

Author: Yavor Georgiev - MSFT Date: 10/16/2009

Having a PollingDuplex service and any other WCF service in the same website causes Silverlight calls to be slow

After polling duplex support for WCF was released in Silverlight 2...

Author: Yavor Georgiev - MSFT Date: 09/30/2009

Scale-out of Silverlight HTTP polling duplex WCF service in a web farm scenario

The recent post about performance of Silverlight HTTP polling duplex protocol pointed out...

Author: Yavor Georgiev - MSFT Date: 09/16/2009

Channel9 WCF duplex demo

Recently I spent some time with Robert Hess over at Channel9 discussing Silverlight 3 and giving a...

Author: Yavor Georgiev - MSFT Date: 08/27/2009

Using web service faults with the new SL3 client HTTP stack

Carlos, one of our team members, has posted an quick blog post on how to use SOAP faults with the...

Author: Yavor Georgiev - MSFT Date: 08/17/2009

AJAX client for HTTP polling duplex WCF channel in Microsoft Silverlight 3

If you are interested in coding an AJAX client application that consumes asynchronous data...

Author: Yavor Georgiev - MSFT Date: 08/05/2009

Pub/sub sample using HTTP polling duplex WCF channel in Microsoft Silverlight 3

We now have a sample implementation of a pub/sub scenario that uses the HTTP polling duplex WCF...

Author: Yavor Georgiev - MSFT Date: 07/24/2009

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