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Jonathan Mezach

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  • Throttling workflow services

    For the project I’m currently working on I did some research into the throttling of workflow services using WCF and WF with .NET 3.5. We didn’t have much experience with throttling of services, let alone workflow services so we decided to some simple...

  • Creating a workflow image from a workflow service

    Introduction For the project I’m currently working on we wanted to be able to display an image of a running workflow instance for diagnostic purposes. There are numerous examples of this floating around the internet, but most of them focused on a client...
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  • Even better message based correlation

    As a follow up to my previous post, I've been extending my implementation a bit. In the comments section of my last post you might have read that we were thinking about creating a CorrelationSequenceActivity. I've implemented this activity now and it...
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  • Message based correlation with WF/WCF in .NET 3.5

    When .NET 3.0 was released we got Windows Communication Foundation (WCF) and Windows Workflow Foundation (WF). These were great technologies, but they would have been even greater if they were used together. Unfortunately, Microsoft decided not to include...
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  • Workflows mysteriously being aborted

    Part of the project I'm currently working on involves a workflow system we have build ourselves on top of Windows Workflow Foundation. It consist of a WCF service that contains task, a front end that displays these to users and of course several workflow...

  • Service Pack 1 for .NET fixes XML serialization?

    Today we ran into an issue with a Windows Forms application we had written. It was working fine on our development virtual PC's, but for some reason it failed on the actual host machines that we needed it to run on. The application is written purely against...
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  • Cool tools: NetMassDownloader

    Today I was working on an issue in our application that was brought to our attention by one of the users. So I started investigating this issue and soon found out that the problem was situated in our ASP.Net front end. While I was debugging and analyzing...
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  • Issue fixed

    I thought I'd write a little follow up on my previous post . We found out yesterday that the bug we found in Windows Workflow Foundation which caused us to make a work around, has been fixed in the recently released .NET Framework 2.0 and 3.0 SP1. We...

  • State machine workflows

    At the beginning of last week a report came in from our users which said that they were experiencing timeout issues while working with the application that has been running in production quite stable since the beginning of this year. Because this was...
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  • WF: Required bindable properties

    Today I was working on a bit of workflow we have in our project. We've written a couple of activities to handle some of the processing done in our application (such as sending out emails at a specified point in time). These activities have been working...

  • Silverlight 1.0 RTM

    As my colleague Willem mentioned, Microsoft has finally released Silverlight 1.0. I find it amazing how fast this technology has gone. A year ago nobody heard of Silverlight, and now there is a first release. Although I'm quite impressed by the features...

  • More on this WCF issue

    This week I've been spending some more time on this WCF issue I've blogged about before. Unfortunately I still don't have a solution for the problem, and I doubt that I will ever find one. However, I did find some interesting things I thought...
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  • Possible WCF Serialization Issue?

    As I was writing in my previous post there is something interesting going on in WCF. But before I go into the details, let me explain the situation. There are 3 services in our project, one business service, one process service and one front end. We use...
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  • A short introduction

    As I'm new here on the Info Support blogs I thought it would be a good idea to introduce myself a bit. My name is Jonathan Mezach and I have been officially working here at Info Support since the 1st of august 2006, so I'm here now for a little...
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