Over the next six weeks we are going to be releasing a series of blog posts that will focus on the new features in .NET 4 around WCF WebHttp Services . WCF WebHttp Services is the flavor of WCF that is most appropriate for developers who need complete...

This is part one of a twelve part series that introduces the features of WCF WebHttp Services in .NET 4. In this post we will cover: Downloading and using the new online project templates for WCF WebHttp Services Learning the basics of a WCF...

The Microsoft .NET Framework 4 Platform Update 1 released today, 4/18/2011. The Microsoft .NET Framework 4 Platform Update 1 is a platform update that is a set of new features that provides additional functionality for top customer requests and important...

This is part two of a twelve part series that introduces the features of WCF WebHttp Services in .NET 4. In this post we will cover: Using the HttpClient from the WCF REST Starter Kit Preview 2 Browsing the Automatic Help Page of a WCF WebHttp...

tempuri.org is the default namespace applied to WCF Services and Workflow Services.  You can and should specify your service namespace. It is recommended that you explicitly specify a name and namespace for the service contract, and an action for...

This is part five of a twelve part series that introduces the features of WCF WebHttp Services in .NET 4. In this post we will cover: Handling Errors with the WebFaultException class Over the course of this blog post series, we are building a...

Windows Communication Foundation (WCF) is the heart of the Microsoft Developer story around services. WCF is the unified programming model for working with services in the enterprise and across the Internet in .NET applications. As highlighted in sessions...

Recently I had a customer email me looking for information on how to send and receive large files with a WCF HTTP service. WCF supports streaming specifically for these types of scenarios.  Basically with streaming support you can create a service...

Managing multiple asynchronous operations in WCF is currently very complex regardless of whether you use the existing event or Begin/End asynchronous patterns. In fact, both internal and external customers frequently ask about how to implement simple...

This is part four of a twelve part series that introduces the features of WCF WebHttp Services in .NET 4. In this post we will cover: Configuring automatic format selection for a WCF WebHttp Service Setting the response format explicitly in code...

This is part six of a twelve part series that introduces the features of WCF WebHttp Services in .NET 4. In this post we will cover: Composing multiple WCF WebHttp Services into a single web service Using ASP.NET routes with WCF WebHttp Services...

Maybe you have decided WCF is the right technology for your next project because it has the power, productivity, and flexibility you need. But you might be a little nervous that your team will be able to get up to speed quickly and make the right design...

A l ong time ago , applications running on Windows Server were simply EXEs, where developers wrote a lot of custom code on top of the Operating System (OS) to interact with clients and other applications over the network. COM+ and Microsoft Transaction...

This is part seven of a twelve part series that introduces the features of WCF WebHttp Services in .NET 4. In this post we will cover: Creating ASP.NET cache profiles in configuration for use with WCF WebHttp Services Using the [AspNetCacheProfile...

When I was developing my demos for PDC10 I ran into a problem.  I was using some new HTTP activities for the next release of WF and invoking a simple console application with an HTTP POST.  For some strange reason I ran into the following error...

At PDC in my session  “Building Web APIs for the Highly Connected Web” we announced WCF Web APIs, new work we are doing to make HTTP first class in WCF. In this post I am going to describe what we are doing and why. If you are saying, “just show...

This is part eight of a twelve part series that introduces the features of WCF WebHttp Services in .NET 4. In this post we will cover: Using the new WCF WebHttp Services API for content negotiation Returning content with custom formats in addition...

WF4 beta 1 ships with a comprehensive set of activities (more than 35) that you can use to author your workflows or to create your own custom activities. This post will give you a quick tour through the activity palette and introduce you to the key characteristics...

This is part three of a twelve part series that introduces the features of WCF WebHttp Services in .NET 4. In this post we will cover: Creating operations for updating server state with the [WebInvoke] attribute Persisting changes with the ADO...

The topic of 4.0 migrations has come up several times over the past week – in e-mail conversations with a few authors and meetings with customers, on a couple articles (e.g., Kathleen Dollard ; Aaron Skonnard ), and a cross-blog conversation . As such...

State machine is a well-known model for event-driven workflows and a highly requested feature from our WF4 users, especially those looking to move their WF3 State Machine workflows to WF4. We are very pleased to provide a new, fully-supported, WF4 State...

A few customers have noticed an issue with WCF scaling up when handling a burst of requests. Fortunately, there is a very simple workaround for this problem that is covered in KB2538826 (thanks to David Lamb for the investigation and write up). The KB...

In a previous post we introduced Windows Server AppFabric, a set of extensions to the Windows Application Server that “make it easier to build, scale and manage Web and composite applications that run on Internet Information Services (IIS).” AppFabric...

This is part ten of a twelve part series that introduces the features of WCF WebHttp Services in .NET 4. In this post we will cover: Generating and including ETags in responses from a WCF WebHttp Service Adding Conditional GET support to a WCF...

Over the last year you’ve heard us talking about both Windows Azure AppFabric and Windows Server AppFabric. Today we are adding our final post to the .NET endpoint team blog and announcing the new AppFabric Team blog . This blog will be the home...