Browse by Tags
All Tags »
Workflow »
NetFx3 (
RSS)
Sometimes you just don’t want to do an Add Service reference in the client application but still be able to to call a WF4 workflow service. The good thing is that a WF4 workflow service is just another WCF service from the client perspective so almost...
Note: This blog post is written using the .NET framework 4.0 Beta 2 When using Windows Workflow Foundation 4 you often need to enter expression in some activity property. The new thing is these expressions are all in the Visual Basic dialect regardless...
Op 21 november 2009 organiseren de SDN , Stichting dotNed en VBcentral samen het derde Nederlandse Code Camp . Dit is een dag lang met code, code sharing, freaking en gezellig samenzijn. Een evenement door ontwikkelaars, voor ontwikkelaars. De regie ligt...
Filed under: .NET, Visual FoxPro, LINQ, NetFx3, Workflow, VSTO, WCF, VB, webcast, ClickOnce, WPF, Silverlight, SDN, Data Access, ASP.NET
In the previous two blog posts ( here and here ) I showed how to create and expose a Windows Workflow Foundation 4 workflow via WCF and have both a workflow and a regular C# client work with it. But the parameter and return value where real simple with...
In a previous blog post I described how to use the WorkflowServiceHost and host a workflow with a Receive activity that waits for WCF messages. I also added a WF4 client that called the service and received a response. However a lot of clients out there...
The question of what Windows Workflow Foundation version 4 means for developers currently developing using WF recently came up. As I mentioned before WF 4 is a complete rewrite and doesn’t use any of the existing WF 3 classes. The design of WF...
Attached are the PowerPoint presentation and samples from my WF with WCF presentation in Timisoara, Romania. Thanks to Ineta for providing the funding for this. Download the PowerPoint and samples
Attached are the PowerPoint presentation and samples from my state machine workflow presentation in Timisoara, Romania. Thanks to Ineta for providing the funding for this. Download the PowerPoint and samples
Last year Marcel and I worked on a problem using a TransactionScopeActivity inside a WCF ReceiveActivity. I blogged a number of time about our finding, for example here . Last week I heard from Marcel that a hotfix was finally available that solves this...
Last week lots of MVP, myself included, where in Redmond visiting Microsoft on our yearly MVP pilgrimage. The MVP Summit is always a great event. Not only do we get to talk to the MS team members who actually design and build all the software we love...
A while a go I wrote some posts about unit testing Windows Workflow foundation Activities, you can find the posts here and here . Fortunately I am not the only one who thinks unit testing is important as you can find various other blog posts about it...
Yesterday I uploaded a new version of the SQL Server Compact Workflow Persistence Service to code.msdn.com. No major changes this time just two new features to get it more in line with the standard SqlWorkflowPersistenceService. I added a GetAllWorkflows...
Want to download and watch all PDC content? Then there are a couple of ways to get at them. The official way if to go through the session agenda at the conference site. See https://sessions.microsoftpdc.com/public/timeline.aspx . You see all sessions...
Filed under: .NET, LINQ, NetFx3, Workflow, VSTO, WCF, VB, webcast, DevCenter, ClickOnce, WPF, SqlCe, IronPython, Silverlight, PDC
Last week during my Chalk & Talk session at the SDC one of the attendees was having problems with workflow persistence and collections of custom objects. Now I never got to see his code so I am not sure what the problem was but maybe this simple sample...
Part 1 Part 2 Part 3 Part 4 In the previous blog posts we made sure we could have multiple versions of the same workflow running side by side. This ability is one of the more powerful concepts of WF and a real must have for long running business applications...
Part 1 part 2 Part 3 Part 4 You may recall my previous posts about using the TransactionScopeActivity within a ReceiveActivity and all the nasty issues we ran into. Just in case you want to read them again: one , two and three . As it turn out this is...
Part 1 Part 2 Part 3 Part 4 In the first article of this series I demonstrated how to get multiple versions of a workflow running side by side in the same workflow runtime. The most important thing was that you need to keep every version of the...
Part 1 Part 2 Part 3 Part 4 In my previous post I demonstrated how to keep multiple versions of an assembly around and how to use the assemblyBinding element in the app.config to let the runtime load multiple versions of a worklfow. In the end we had...
Part 1 Part 2 Part 3 Part 4 One of the cool features of Windows Workflow Foundation is that it allows long running processes. And not just long running as in a few minutes but really long running as in a few years . This is possible true...
One powerful feature of a workflow is that a workflow can be changed at runtime. Like other powerful features this is something that should be done with care but it can be a real life saver at times. One of the things that you can change are Declarative...
More Posts
Next page »