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My Dumb WCF Lesson for the day

Julia Lerman Blog - Dont Be Iffy..., January 18, 2008
Views: 5,713 | Hits 1,208

I was moving some code around and had a nice WCF Interface and Service Interface created. So I copied them into a new project where I was re-creating my work. When I tried to debug (self-host) the s...

Controlling HTTP Cookies on a WCF Client, December 1, 2007
Views: 6,338 | Hits 957

A few customers have tried to control their HTTP Cookie headers from a smart client (using a previously cached cookie for example). The common experience has been “I enabled AllowCookies=true, and add...

Host multiple services in windows service (on-line WCF services and batch services)

Wortzels blog, December 14, 2007
Views: 5,015 | Hits 670

In the last sprint we (Ori my teammate and me) had a task to create an infrastructure to manage some common processes in our systems. The processes can be a batch, schedule tasks and on-line services...

Self-Hosting WCF Services in Windows Services

Keyvan Nayyeri, September 25, 2007
Views: 4,417 | Hits 662

You know that there are two common ways to host a Windows Communication Foundation service as a self-hosted service or in IIS.  But there is a division of self-hosting that is a bit different and...

Take Two: A jQuery WCF/ASMX ServiceProxy Client

Rick Strahls WebLog, September 16, 2009
Views: 5,168 | Hits 535

Ive discussed creating a WCF or ASMX Service proxy for operation with jQuery and without using the Microsoft AJAX libraries. This was some time ago and some things have changed since then most notabl...

Sending Attachments with WCF

Pablo M. Cibraro (aka Cibrax), August 29, 2007
Views: 4,442 | Hits 502

WCF mainly supports two modes to send attachments in a efficient way, an streamed mode and a buffered/chunked mode. In the first mode, the transport basically transfers large amount of data...

WCF and Apache AXIS interop

All About Interop, October 9, 2007
Views: 6,760 | Hits 501

I'm getting back to building and publishing working examples. My latest is a working example of a WCF client communicating with an Apache AXIS 1.4 server, using web services.  You can find it he...

Generated Date Types in WCF and unexpected 'dateSpecified' fields

Rick Strahls WebLog, December 13, 2007
Views: 1,703 | Hits 410

I just ran into a little issue with a Web Service imported through the WCF Service Utility. The issue revolves around dates imported for a service. In the WSDL the layout looks like this: <xsd:...

A Walkthrough of WCF Support in Visual Studio 2008

The Visual Basic Team, August 30, 2007
Views: 3,406 | Hits 395

One feature in Visual Studio 2008 I would like to highlight is our support of Windows Communication Foundation. WCF was introduced with .NET Fx3.0 as a next generation communications API. Previously ...

WCF Service Debugging with the serviceDebug element.

Peter Brombergs UnBlog, July 29, 2007
Views: 3,165 | Hits 365

Learning the ""WCF way to do stuff"" that you already know how to do is hard enough - but being able to debug boo-boos and fix them along the way can be an important part of your toolset. Since W...

How to use performance counters to diagnose performance of WCF applications

Wenlong Dongs Blog, September 7, 2007
Views: 4,473 | Hits 352

There are many ways to diagnose the performance of WCF applications. Here is a simple one that uses performance counters to get some rough ideas. There are two categories of performance counters that ...

WCF exception: The remote certificate is invalid according to the validation procedure

hongmeigs WebLog, May 1, 2007
Views: 6,485 | Hits 349

If you are using Https, this might fix it.             ServicePointManager.ServerCertificateValidationCallback = RemoteCertificateValidationCallb...

Wcf configuration - InstanceContextMode and ConcurrencyMode

Wortzels blog, March 7, 2009
Views: 3,907 | Hits 349

Two of the important configuration settings in WCF refer to InstanceContextMode and ConcurrencyMode. These two are very important to control the system resources in your live service. The first (Insta...

Detect Client IP in WCF 3.5

Keyvan Nayyeri, January 28, 2008
Views: 3,903 | Hits 346

One of the features that was missing from WCF 3.0 was the ability to detect client IP address in services. For a technology that is completely built on top of SOA hence a server/client mechanism where...

Tracing WCF Messages

Rick Strahls WebLog, December 10, 2007
Views: 2,811 | Hits 323

I'm working on a small problem that involves connecting to a Web Service and using WS-Security and I'm using WCF. It's not going well and so I've been trying to trouble shoot exactly what's going on. ...

Best Practice: Always open WCF client proxy explicitly when it is shared

Wenlong Dongs Blog, October 26, 2007
Views: 4,180 | Hits 308

In order to provide symmetric programming model for the client-side as for the server-side, WCF leverages .NET Remoting transparent proxy technique so that the service contract interface can be used s...

WCF Dependency Injection Behavior

Pablo M. Cibraro (aka Cibrax), December 13, 2007
Views: 2,878 | Hits 290

Many times the services are just part of a service layer interface or facade that only delegate calls to other components in lower layers, such as entity translators, business logic components, data a...

Sample Starter Project Using WCF and MSMQ

The Code Project Latest Articles, January 4, 2009
Views: 4,083 | Hits 285

This project is provided as a starter application to get you started with WCF and MSMQ. It uses MsmqIntegrationBinding. The sample messages borrow their structure from the Northwind database, but that...

WCF 101 Screencast

OhmBlog, August 15, 2008
Views: 2,806 | Hits 283

Cliff, our stud WCF product manager, just posteda Channel9 video where Aaron goes through the process of creating a WCF service from scratch. The video is nice in that it isn't just a typical "let's ...

Implementing WCF

Integration through Biztalk, August 29, 2007
Views: 10,873 | Hits 282

Why WCF?WCF aka Windows Communication Foundation services is latest product from MSFT for creating Distributive Applications. Year 2007 has been buzzing with new product releases on a weekly basis. It...

Updated jQuery and WCF 3.5 JSON Samples posted

Rick Strahls WebLog, June 25, 2008
Views: 3,017 | Hits 278

Since I last posted my DevConnection samples, there have been a number of changes with jQuery and jQuery Ui. During the conference and for some of my own applications I'd been using intermediate build...

Free WCF Training

Guy Barrettes WebLog, November 30, 2008
Views: 3,796 | Hits 271

Someone emailed me looking for some free WCF training.  There are numerous free resources available.  Here are a few: WCF Portal: Fr...

Building and consuming web services

Somasegars WebLog, August 31, 2007
Views: 1,365 | Hits 263

As I mentioned earlier, I want to blog talk about some of the features in Visual Studio 2008 in the coming months.    Today I want to highlight the support for developing and consuming...

How to Use a Singleton WCF Proxy to Call Different Workflow Service Instances in .NET 3.5?

Wenlong Dongs Blog, November 8, 2007
Views: 3,538 | Hits 247

In .NET 3.5, a new type WorkflowServiceHost is introduced to provide the integration of WF and WCF. On the server-side, ReceiveActivty plays the main role to implement WCF service operations. With thi...

Eliminate Server Polling with WCF Callbacks

DevX: .NET Feed, August 8, 2008
Views: 3,289 | Hits 245

Client applications that share centralized information typically poll a central service to get updated informationa pull model. But by using WCF callbacks, the central service can push updated informa...

Consuming a WCF Service from an SSRS (RDL) Server Report

The Code Project Latest Articles, June 15, 2009
Views: 3,516 | Hits 242

An article illustrating how to consume a WCF service from an SSRS Server Report...

WCF Client Performance

Glavs Blog, April 21, 2007
Views: 5,392 | Hits 242

One of the easiest performance traps when using WCF services is constant creation of new client proxies when accessing those services. In WSE land, this was common place: MyProxy prox = new MyProxy();...

MS BRE: State Transition Pattern

Charles Young, September 16, 2007
Views: 2,154 | Hits 233

My fellow BizTalk MVP, Leonid Ganeline, asked if I would comment further on mechanisms to govern sequential flow in rules in MS BRE. He was picking up on some comments I made in my article comparing W...

WCF, Web Service Clients and Http Debugging Proxies

Rick Strahls WebLog, October 28, 2007
Views: 1,599 | Hits 232

I depend heavily on using Fiddler or Charles for helping me debug Http issues in general and both work great for typical Web development debugging in the browser. This is especially useful for AJ...

Passing data efficient to and from WCF Services

Patrik Löwendahls shout, July 4, 2007
Views: 3,613 | Hits 231

I spend some time in the msdn forums on and off ( and a couple of days ago a question about contract design in WCF appeared. The idea was to get the most out of the W...

The ABC of WCF

The Code Project Latest Articles, September 14, 2009
Views: 1,718 | Hits 231

WCF is Microsoft's next-generation programming platform and runtime system for building, configuring and deploying service-oriented applications....

Asynchronicity, OneWay, and WCF, August 7, 2008
Views: 2,241 | Hits 228

I’ve recently encountered some confusion around the behavior of one-way operations in WCF that I’m going to try and clear up.  In particular, developers are under the impression that a one-way operati...

Unit Tests for WCF (and Moq) Part II

Pablo M. Cibraro (aka Cibrax), May 20, 2008
Views: 2,547 | Hits 220

  My latest post about "creating wrapper classes" for mocking the WCF context has started generating some controversies. I initially wrote those classes to decouple my service implementation fr...

Windows workflow as WCF Service and Workflow persistence

The Code Project Latest Articles, January 19, 2009
Views: 2,944 | Hits 219

Workflow calculator WCF service , an example of long running workflows...

Architecture, WCF Services and Caching

Glavs Blog, August 10, 2007
Views: 6,274 | Hits 208

Blog Article On a recent project we had the requirement to produce a web application as part of the main deliverable, but also to provide a services layer or implementation, that will allow external c...

Testing WCF REST Services

Pablo M. Cibraro (aka Cibrax), December 11, 2008
Views: 3,362 | Hits 207

Many of the WCF services that we build today rely on the WCF context (OperationContext and WebOperationContext) for performing different things, specially REST services where the context is necessary ...

How to do SSL pass-through with WCF (a link for the MVP crowd)

Web Services, April 14, 2008
Views: 3,074 | Hits 207

I sat in on a very informative roundtable discussion about WCF tips, tricks and pitfalls this afternoon here at the MVP conference. In that discussion one of the topics that came up was load balancing...

WCF - Handling Generic Messages

Glavs Blog, January 19, 2008
Views: 4,764 | Hits 205

I had a requirement for a client where we were upgrading a web site that had a business web service exposed, and we had to create a new service that was identical in operation to the old (from a consu...

Example: Validation Application Block and WCF

Patrik Löwendahls shout, June 29, 2007
Views: 2,947 | Hits 205

I'm currently investing a lot of work in both WCF and Enterprise Library 3. It will probably turn out as a couple of blogposts. This post however is just a placeholder for my Validation Application B...

WCF: The maximum nametable character count quota (16384) has been exceeded

Guy Barrettes WebLog, November 20, 2008
Views: 2,704 | Hits 202

Today I came across and interesting WCF problem.  A dev in our team added a new method to a WCF service and tried to update the service reference from the client app but got this error: The erro...

Getting Started with WCF

The Code Project Latest Articles, March 9, 2009
Views: 2,206 | Hits 201

A very quick and simple introduction to using WCF....

Processing FIFO MSMQ Messages using WCF

Stephen Kaufman's WebLog, September 17, 2007
Views: 3,014 | Hits 201

  I have been having fun working on the middle tier of an application which is using BizTalk, Windows Workflow, MSMQ and the Windows Communication Framework.   One of the requirements is to...

ASMX/WCF Migration - REST/POX Articles

Pablo M. Cibraro (aka Cibrax), June 10, 2007
Views: 1,371 | Hits 198

My coleague Juan Wajnerman has written two interesting articles about "ASMX/WCF Migration" and "REST/POX". The first one describes an complete procedure to migrate a plain...

Integrating the WCF trace with the Logging Application Block

Pablo M. Cibraro (aka Cibrax), June 18, 2007
Views: 2,659 | Hits 197

As part of the integration between WCF and EntLib 3.0, this last one comes with a nice feature to redirect the WCF trace to the logging application block. This is done by Entlib through a custom ...

WCF Clients and COM Interop

Rick Strahls WebLog, December 17, 2007
Views: 2,705 | Hits 197

One thing that may not be real obvious when moving WCF client code from say Web Service References is that the Web Service clients generated for WCF are not easily accessible via COM Interop. With ASM...

Use IOperationBehavior to Customize Operation Behavior in WCF

Keyvan Nayyeri, February 19, 2009
Views: 3,377 | Hits 196

Windows Communication Foundation is one of the top technologies in the field of flexibility and customizability and those who have worked with this great product already know that a simple task can be...

Streaming large content with WCF and deferred execution

Pablo M. Cibraro (aka Cibrax), June 10, 2008
Views: 2,444 | Hits 196

I will use this post to discuss an scenario that you may run into while working with WCF, a service that returns a lot of objects (Or large data) to the client applications. This scenario is not about...

SendActivity in Windows Workflow Foundation 3.5

Keyvan Nayyeri, August 7, 2007
Views: 1,928 | Hits 195

Windows Workflow Foundation in .NET Framework 3.5 comes with two new activities: SendActivity and ReceiveActivity.  These are two new services to work with WCF services.  The first one, Send...

WMI Support in WCF

Pablo M. Cibraro (aka Cibrax), July 3, 2007
Views: 1,646 | Hits 191

A nice thing about the management layer in WCF is the WMI support to expose instrumentation at runtime with a well-know interface. That instrumentation includes different service characteristics ...

WCF-based RSS and Atom Implementation for DasBlog

OhmBlog, March 24, 2007
Views: 1,491 | Hits 191

Well, writing this up took longer than I thought :-) I guess I've been really busy. So, to implement the WCF-based RSS and Atom endpoints for dasBlog,I used the new System.ServiceModel.Syndication n...