The Problem Solver

Tell me and I will forget
Show me and I will remember
Involve me and I will understand
- Confucius -

Browse by Tags

All Tags » DevCenter (RSS)
WF4&WCF and message correlation
In the previous blog posts, here , here and here , I demonstrated how to  use WCF from WF4. This same some more about sending multiple messages to the same workflow, AKA Workflow Correlation.   One of the ugly parts of Windows Workflow Foundation...

Posted by Maurice | 2 comment(s)

Filed under: , , , , ,

Sending your own objects to a WF4 workflow
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...

Posted by Maurice | 5 comment(s)

Combined DevelopMentor instructors blog feed.
Michael Kennedy , one of the co instructors from DevelopMentor , has created a combined feed from all the blogs of the various DevelopMentor. An awesome group of people with a lot of knowledge to share. Highly recommended in you RSS reader. http://feeds...

Posted by Maurice | with no comments

Using ASP.NET MVC
Recently I started using ASP.NET MVC for a real project. SO far I had been reluctant to use ASP.NET MVC as it meant giving up on the post back model that so many of the available ASP.NET controls depend on. Yet a lot of people I know and respect where...

Posted by Maurice | 2 comment(s)

Filed under: , ,

Error Logging Modules and Handlers for ASP.NET (MVC)
I am working on a new ASP.NET MVC app and like so many other applications out there I need to log any errors should they occur. recently I heard about ELMAH Error Logging Modules and Handlers for ASP.NET through this blog post of Scott Hanselman. So as...

Posted by Maurice | 1 comment(s)

Filed under: , , ,

What does Windows Workflow Foundation 4 mean for existing workflow developers?
  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...

Posted by Maurice | 2 comment(s)

Filed under: , , , ,

Getting started with the .NET RIA Services
A recent article I wrote for the MSDN website just went live. Read is here .

Posted by Maurice | with no comments

Passing data into a Windows Workflow Foundation 4 workflow
Passing parameters into a workflow is similar in WF4 as it was in WF3. In both case a Dictionary<string, object> is passed in when creating the workflow instance object. Alternatively when using the WF4 WorkflowInvoker you can pass it into the Invoke...

Posted by Maurice | 2 comment(s)

Filed under: , , , , ,

The new Windows Workflow Foundation 4 runtime
With WF3 there was a central workflow runtime environment called the WorkflowRuntime and used to manage the lifetime of workflow instances. In WF4 this central class no longer exists and we manage individual workflows. To compare the two, this is what...

Posted by Maurice | 2 comment(s)

Filed under: , , , ,

Getting started with Windows Workflow Foundation 4
As you may have heard Windows Workflow Foundation 4 is not an upgrade from Windows Workflow Foundation 3 (or 3.5). The version numbers might suggest that the previous version was quite mature but in fact it refers to the version of the .NET framework...

Posted by Maurice | 5 comment(s)

Filed under: , , , ,

Paging with the Silverlight RIA services DomainDataSource
Using the declarative DomainDataSource that is part of the upcoming Silverlight 3 RIA services makes it quite easy to work with data. All you need to do is add a DomainDataSource control to the the XAML, point it to the generated DomainContext class ...

Posted by Maurice | 27 comment(s)

Using Model – View – ViewModel with Silverlight
The View – Model – ViewModel design pattern, also known as MVVM, is getting more popular these days. I have found it extremely easy to use when developing very different applications and have used the design pattern recently in both ASP.NET, WPF and Silverlight...

Posted by Maurice | 9 comment(s)

Filed under: , , ,

Want to download all MIX sessions?
Then you should check Mike Swanson’s blog post here . He has two batch files, the first downloads all MIX session recordings with in the format you like, the second renames them so it is easier to make sense of all the media file names. If you just want...

Posted by Maurice | 1 comment(s)

Visual Basic QuickStarts and How-to Topics for the Composite Application Guidance for WPF and Silverlight
The P&P team have just release a VB version of the Prism quick starts. You can download the goods here . Enjoy!

Posted by Maurice | with no comments

Filed under: , , , ,

Samples and PowerPoint from my WCF talk
Attached is are the samples and slides I used for my intro into WCF talk yesterday at the VB Central meeting in the Netherlands. Download samples Enjoy! www.TheProblemSolver.nl Wiki.WindowsWorkflowFoundation.eu Now also on twitter at http://twitter.com...

Posted by Maurice | with no comments

Filed under: , , , ,

Using a TransactionScopeActivity with a WCF ReceiveActivity revisited
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...

Posted by Maurice | 17 comment(s)

Filed under: , , , , ,

Looking back at the MVP Summit
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...

Posted by Maurice | with no comments

SilverUnit - Unit testing framework for Silverlight
Roy Osherove has just released SilverUnit, a unit testing framework for Silverlight code. I haven't tried this yet but it certainly looks really interesting as you can start running your Silverlight unit tests inside of MS Test or NUnit. And kind...

Posted by Maurice | 6 comment(s)

Filed under: , , ,

Patterns & Practices release Prism version 2
The Patterns & Practices group at Microsoft have just released Prism version 2. I am pretty exited about this because Prism version 2 supports both WPF and Silverlight. And as it makes extensive use of the Model - View - ViewModel amongst other design...

Posted by Maurice | 1 comment(s)

Lazy loading using Ninject
In my previous blog post I demonstrated how you can use Ninject in your Silverlight application to automatically inject dependencies and make live easier. In the sample I injected the dependency, the PingService, inside my PageModel constructor. That...

Posted by Maurice | 6 comment(s)

More Posts Next page »