Nicholas Allen's Indigo Blog

Taking some mandatory time off for system maintenance and upgrading grew into deciding that the time was right to make the arrangement more permanent. That was probably apparent a few weeks ago but officially now the 1,111th post here is also the last...

MSDN will be migrating to a new blog platform during all of next week. During that time comments will be disabled, posts will be in the process of migration, and new theme and profile systems will be switched in. I’m planning to hold off trying to post...

A new version of the Windows Identity Framework SDK and developer training kit is available targeting Visual Studio 2010 and .Net 4. The Windows Identity Framework SDK includes samples and Visual Studio templates while the training kit includes hands...

When browsing to a service hosted in IIS I get an error that the protocol does not have an implementation of HostedTransportConfiguration type registered. What can cause this? Two things to look at are the IIS site bindings and the installed activation...

The WCF Data Services team has released the source code for their OData client libraries on .Net 3.5 SP1 and Silverlight 3. This may be of benefit to anyone trying to write their own library for the OData protocol. OData is a protocol for querying and...

Dominick Baier has a visualization for claims in the Visual Studio debugger. I’m not sure what other details to provide. It takes an identity and description for a claim and describes the issuer, metadata, and properties that make up the claim.

WCF services in IIS use a .svc file to bootstrap the process of activating a service. It’s possible but not recommended to put the entire service source code and definition in a .svc file to be dynamically compiled and run. Instead, the information that...

Can the routing service introduced with .Net 4 be used with impersonation? Yes, the routing service can be used with impersonation for both sending and receiving messages. All of the usual Windows constraints of impersonation apply. If you would have...

A WCF application in IIS is a service page that is hosted under a site. You can assign different bindings to the site that describe the protocols through which the site can communicate. It’s possible to assign multiple protocols to a single site by specifying...

ReMIX is an annual twist on the MIX conference that takes a small portion of the content presented at MIX and combines it with new content and local speakers for a variety of sites around the world. There are generally ReMIX events announced throughout...

Windows Server AppFabric provides management, monitoring, and other component services for WCF services using .Net 4. The beta 2 release of AppFabric came out a few weeks ago using the release candidate of .Net 4. Now that the final version of .Net 4...

The configuration of an IIS site includes the ability to associate a host name with a particular site definition. For HTTP traffic this allows multiple web sites to be hosted at the same IP address and port, with the true domain name of the site mapped...

After adding a custom binding element to configuration as a binding element extension, Visual Studio reports any use of the binding element in app.config as a schema violation. Is something wrong with the binding element? No, as long as the binding...

Two frequently used network diagnostic tools have gotten beta updates this week. Network Monitor is an adapter level capture program that can record and analyze protocol traces. If you join the Connect beta program for Network Monitor 3 you can get...

When using DataContractSerializer with a data member that has IsRequired set to false, the generated schema has minOccurs of 0. However, when using XmlSerializer with an XML element that has IsNullable set to true, the schema has minOccurs of 1. Instead...

When generating metadata to describe a service, an address is published for the location at which the service can be reached. This is the address to which a client of the service should address a message. Ordinarily, the metadata address is obtained...

The Silverlight 4 business application training course is a set of videos and labs divided into eight modules for learning about building business applications with Silverlight. The primary focus of the training course is to learn about the new features...

Moonlight, the Linux version of Silverlight, has produced its sixth preview release of Moonlight 3. I don’t announce every release that they do because the team has a very short development cycle; the last announcement I did was for the first preview...

Late last week a second release candidate for WCF RIA Services was released. RIA Services are an application design pattern that lives between ASP.NET and Silverlight in a multi-tier architecture. Inside RIA Services you can host application logic for...

Moving to Visual Studio 2010 is a developer guide for learning about the new features of Visual Studio 2010. The final version is planned to come out in a few months. The content so far is as much about the libraries released at the same time as Visual...

Ten talks of interest for web service developers from the recent TechDays 2010 and DevDays 2010 conferences. I've pulled out the videos on WCF, WCF service development, and web service development with Silverlight that you might be interested in. What...

The Service Bus and Access Control online services through Windows Azure AppFabric have now moved from being a trial service to a fully supported service. The service bus is an infrastructure piece for connecting together different components in a distributed...

The WCF 4 sample collection is now available as a direct download independent from the framework or SDK release. The collection includes over 200 WCF samples from both .Net 4 and past releases. These samples go along with online sample guides available...

The Silverlight 4 launch event at the DevConnections conference will be taking place today. Starting off later this morning at 8 AM is the keynote address by Scott Guthrie. A link to stream the keynote presentation isn’t available yet but will be on the...

The release events for Visual Studio 2010 and .Net 4 started this morning and will continue throughout the day with conference presentations at multiple sites. If you want to join in, there’s a web cast of the keynote presentations from the Las Vegas...