U2U Blog Center

For developers and other creative minds

Welcome at the U2U Blog Center

U2U has built up the last 18 years a huge amount of expertise in the Microsoft .NET Framework. Expertise they have always shared in the community. Below you can find a list of the blogs maintained by U2U trainers.

Blogging Frenzy

Looks like I started to blog a lot more lately, and so do a couple of my colleagues. Check out Nick’s blog: http://blogs.u2u.be/Nick/  And of course Kris’s blog: http://blogs.u2u.be/Kris/ Both of them have gone crazy with Extension methods… So should I?

Cool! Copy as image in workflow foundation designer

Hey, I build slides a lot, so I like this cool feature in workflow foundation 4 designer (using Visual Studio 2010 Beta 2): copy as image. If you need to copy a workflow (or part thereof this only works for the whole workflow, a pity, because you will want copy parts of your orchestration to a docu... [More]

Adding Error Handling to content based routing with WCF

Yesterday I blogged about content based routing with WCF. Today I want to talk about error handling. What if you route to a service that is not available. WCF allows you to define backup services using a backup list. So let’s do this: start by building a compatible backup service. In this case I wi... [More]

Visual Studio 2010 Beta 2 available today!

I’m downloading it as we speak. So please wait until I’ve done :) Oh, for the first couple of days the download is only available through MSDN subscriber download, but then MS will make it public for everyone. Today Microsoft announced a new (albeit beta 2) release of their flagship developer softw... [More]

Installing VS2010 Beta 2

So I’ve installed VS2010 today. Installation went quite well but you might want to uninstall the Silverlight 3 SDK because that gave an issue on my machine. The VS logo has changed colors: Usual license stuff… 5.6 Gb on disk required… And there we go… This took about half an hour on my ... [More]

who is going to teched in Berlin?

I am looking forward going to TechEd in Berlin this year. Not only because of TechEd, but also because of the celebration of the fall of the Berlin Wall. If you’re also going, I hope to see you there! U2U, the company I work for, will give a free TechEd ticket to the first two bookers of a new trai... [More]

Problem running the WCF 4 DiscoveryProxy sample

Today I was playing around with managed WS-discovery with WCF 4. To try a couple of things I used the WCF sample DiscoveryProxy. However running the sample gave me this error: {"A TCP error (10013: An attempt was made to access a socket in a way forbidden by its access permissions) occurred w... [More]