Ron Jacobs

Windows Workflow Foundation

Posts
  • Ron Jacobs

    Ready to learn more about REST with WCF?

    • 2 Comments
    Now that the WCF REST Starter Kit is out I'm happy to say that we have provided some great resources for learning all about it. Aaron Skonnard has put together a terrific set of screencasts for endpoint.tv to give you a great introduction to REST with...
  • Ron Jacobs

    Installing Microsoft URL Rewrite Module on Windows 7 Beta

    • 2 Comments
    Recently I said that the IIS 7 URL rewrite module will not work on Windows 7.  Someone commented on my blog post that there is a workaround posted on the iis.net site.  I know the IIS team says this works but I’ve tried it on multiple machines...
  • Ron Jacobs

    Configuring a VPC for the REST Starter Kit Hands On Labs

    • 2 Comments
    Today I was given a VPC image that someone had started and asked to put the WCF REST Starter Kit Hands On Labs on the image so we can use it at Tech-Ed. I ran into some interesting problems and I thought I would share the solutions with you in case you...
  • Ron Jacobs

    WCF REST Starter Kit Preview 2 Is Here

    • 2 Comments
    Last night we posted the WCF REST Starter Kit Preview 2 release . This release features an all new client side library that is just fantastic. My part in this was to create the WCF REST Starter Kit Hands On Labs – these labs are a great way to quickly...
  • Ron Jacobs

    WF / WCF 4 and “Dublin” Resources

    • 2 Comments
    Every now and then somebody will ask me about resources for WF/WCF 4.  I usually copy a bunch of links into an email for them.  Today I decided I ought to share these resources with all of you.  I’ll try to remember and come back to this...
  • Ron Jacobs

    SOAP and REST a Perspective

    • 2 Comments
    To many people when it comes to web services it is SOAP vs. REST.  I don't like to think of it that way.  I'd prefer to say SOAP and REST.  It seems to me that there is room for both.  Many of you, like me until recently, know little...
  • Ron Jacobs

    Unit Testing Activities with Windows Workflow Foundation

    • 2 Comments
    The other day somebody asked me about unit testing activities without writing a test workflow.  While it might be possible to unit test some of the business logic that the class does outside of a workflow it seems to me that you need to test these...
  • Ron Jacobs

    Behavior Change and State

    • 2 Comments
    Last post I was thinking about change and how one plans for change in the life of an application.  I became particularly interested in this after hearing from customers about the pain of versioning and how little we help them with this in the platform...
  • Ron Jacobs

    Setting up Workflow Databases for Persistence and Tracking

    • 2 Comments
    Let's just say that I'm not a SQL wiz.  I like to use SQL Server Management Studio express when dealing with databases.  Unfortunately today I was trying to setup the Workflow databases on a machine where I had not installed SQL Management Studio...
  • Ron Jacobs

    My first WCF REST Talk at Tech-Ed Israel

    • 2 Comments
    How did it go?  Well... my demos tanked a couple of times...  I had to reboot the machine.  The A/V guys kept wanting me to change resolution on the screen because it was fuzzy.  The screen was small for the room so it was hard to...
  • Ron Jacobs

    WCF Deployment Challenge - Phase II deploy to IIS on local machine

    • 2 Comments
    I'm once again comparing the ASMX experience to the WCF experience.  In this phase I'm simply going to deploy the Hello World type service to IIS on the local machine and compare the two.  I'm using IIS 7 on Windows Vista SP1 for my test environment...
  • Ron Jacobs

    Visibility as an Architectural Property

    • 2 Comments
    "All the wonders of architecture, elegant structure, proper provision for security and scalability amount to nothing if the user cannot make use of the application to accomplish the goal." Recently Microsoft has decided to save money on telecommunications...
  • Ron Jacobs

    Meet The Parallel Activity

    • 2 Comments
    I've been learning a lot about Windows Workflow lately and the main way which I learn is by writing code.  So I've written a sample today that deals with the ParallelActivity and is largely based on the much simpler version from chapter 11 Kenn Scribner...
  • Ron Jacobs

    Want to Learn Windows Workflow 4 (WF4)?

    • 2 Comments
    Here are some great resources to get you started. Intro the WF4 Hands On Lab Intro to Workflow Services / AppFabric Hands On Lab (Part of the Visual Studio 2010 Training Kit ) Introduction to State Machine Hands On Lab AppFabric.tv / endpoint...
  • Ron Jacobs

    How to Unit Test a WorkflowService

    • 2 Comments
    Testing WorkflowServices is harder because you have to host the service somehow. There are several options you can use. You can host the service in IIS/AppFabric by configuring your project to use IIS You can try to insure that the local ASP...
  • Ron Jacobs

    Testing a WorkflowService .xamlx file with Visual Studio

    • 2 Comments
    One thing I have not tackled until today was how to test a Workflow Service in a .xamlx file.  When I started out this morning working on it I realized that there isn’t a great deal of information about how to do this available anywhere. Update 7...
  • Ron Jacobs

    How to make a WorkflowService implement a contract

    • 2 Comments
    You may have noticed that WorkflowServices have two ways of operating.  One way is to pass message content and the other way is to use message parameters.  I have always used message content because it seemed like the easiest thing to do. Download...
  • Ron Jacobs

    Workflow on Windows Azure Research

    • 2 Comments
    Our team is busily working on some great new stuff to bring first class support for Workflow to Windows Azure.  We want to hear from you so we can be sure to deliver on what you need. Drop me a line if you want to chat and you Have workflow (WF3...
  • Ron Jacobs

    WCF How To–Configuration Based Activation

    • 2 Comments
    I was there when this feature was born.  It’s a long story but basically the idea is that you should be able to have a WCF service (or Workflow Service for that matter) without a SVC file. What is an SVC file? Simply put, an SVC file is configuration...
  • Ron Jacobs

    Performance Review Time

    • 2 Comments
    Well it’s that time of year again.  Time to write the performance review.  While working out at the gym this morning I had a thought… What if I shared my self-evaluation performance review with you?  After all, you are very important to...
  • Ron Jacobs

    Passing Values between Workflow Activities

    • 2 Comments
    It’s been a long while but in the old WF 3.5 days as I recall there was this funky binding thing that allowed you to pass values from the output of one activity directly to the input of another activity.  Windows Workflow Foundation (WF4) does not...
  • Ron Jacobs

    WF4 Performance Tip–Cache Activities

    • 2 Comments
    When you create a new WorkflowConsole application you will see a line of code like this 1: WorkflowInvoker.Invoke( new Workflow1()); Looks innocent enough right? If you were only going to invoke this activity once this is not a problem. ...
  • Ron Jacobs

    How To Load WF4 Workflow Services from a Database with IIS/AppFabric

    • 2 Comments
    This morning I saw a message post on the .NET 4 Windows Workflow Foundation Forum titled Load XAMLX from database .  I’ve been asked this question many times. How can I store my Workflow Service definitions (xamlx files) in a database with IIS and...
  • Ron Jacobs

    XAML and Activity Assembly Spoofing

    • 2 Comments
    Recently I was contacted by a customer who had read my posts on Versioning and was investigating some interesting behavior of activity designers (more on this in a future post).  But this discussion got me to thinking.  As I pointed out in my...
  • Ron Jacobs

    Nuget Package Images

    • 2 Comments
      The NuGet team has recently added the ability to store the package icon URL in the nuspec file. Now I need to have a public copy of the icon available somewhere on the web.  I tried putting it on CodePlex but the URI uses QueryString parameters...
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