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Have you ever tried to filter a LINQ statement by string values. E.g. you want to get all persons where the name starts with letters from ‘A’ to ‘Z’. In this post I will show you how to build a query like this. My first approach was to do a simple <= operation like I do in SQL. But this results in...
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Microsoft finally released a new CTP of the .NET Services SDK, the March 2009 CTP Personally, I think it is a very noteworthy release since it now allows for the first time to develop full blown applications in the Workflow Services part of it: Now you can activate workflows from an external source,...
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Andreas Erben
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04-01-2009
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Filed under: .NET, .NET 3.5, SOA, Cloud Computing, Cloud, BizTalk Services, Cloud Services, Azure, .NET Services SDK, MVC, .NET Services, ASP.NET
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In my last project I have to implement a dynamic where filter for some date stored in the Enitity Framework (EF) model. The next picture shows the DB schema of the data. This is a common scenario to store multiple properties of a single item in a very dynamic way. The TItemProp table has a foreign key...
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(German version may be written at a later time / Deutsche Version wird gegebenenfalls später geschrieben) This post combines several concepts from several posts about BizTalk Workflow Services . You should read the intro , about flow control , about send&receive activities and about the little...
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Andreas Erben
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10-02-2008
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Filed under: Windows Communication Foundation, WCF, .NET 3.0, VS 2005, Visual Studio 2005, BizTalk, .NET, Visual Studio 2008, VS 2008, .NET 3.5, BPM, Workflow, WF, Windows Workflow Foundation, Cloud Computing, Cloud, BizTalk Services, Cloud Services, OSLO, BizTalk Workflow Services
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(German version may be provided at a later stage / Deutsche Version wird gegebenenfalls nachgereicht) In previous posts, I gave an introduction to BizTalk Workflow Services , I wrote about flow control and rambled about tricks you can do in conditions . This post will deal with the send and receive activities...
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Andreas Erben
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10-02-2008
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Filed under: Windows Communication Foundation, WCF, .NET 3.0, BizTalk, .NET, .NET 3.5, BPM, Workflow, WF, Windows Workflow Foundation, SOA, Cloud Computing, Cloud, BizTalk Services, Cloud Services, OSLO, BizTalk Workflow Services
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(German version may come at a later time / Deutsche Version wird eventuell nachgereicht) First of all: Please play around with BizTalk Workflow Services and share what you find out. I feel lonely ;) This post deals with BizTalk Workflow Services . However, most of it also applies to general Workflow...
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Andreas Erben
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09-29-2008
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Filed under: .NET 3.0, BizTalk, BizTalk Server, .NET 3.5, BPM, Workflow, WF, Windows Workflow Foundation, Cloud Computing, Cloud, BizTalk Services, Cloud Services
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I had the honor to present at the Mobility Day 2008 in beautiful Zagreb, Croatia on September 9, 2008. I covered part 2 of a series of two sessions dealing with "best practices" about connecting mobile systems. While the first part, presented by Damir Dobric , dealt with quite advanced connectivity...
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(German version maybe coming later / deutsche Version folgt eventuell später) This post is a continuation of my intro to BizTalk Workflow Services . When orchestrating anything or in more simple words, when implementing an algorithm, we typically need a type of flow control. What is the order of the...
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Andreas Erben
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08-09-2008
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Filed under: .NET 3.0, BizTalk, BizTalk Server, .NET 3.5, BPM, Workflow, WF, Cloud Computing, Cloud, BizTalk Services, Cloud Services
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The RTM (Release to Manufacturing) version of SQL Server 2008 is now available for MSDN subscribers. The following versions are ready for download: · SQL Server 2008 Developer (x86, x64, ia64) - DVD (English) · SQL Server 2008 Enterprise (x86, x64, ia64) - DVD (English) · SQL Server...
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(German version maybe coming later / deutsche Version folgt eventuell später) http://workflow.biztalk.net now offers a CTP of BizTalk Workflow Services. Let's look at what that means. First you should download the latest version of the SDK. Right now this is the file " BizTalk Services...
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Andreas Erben
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08-05-2008
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Filed under: .NET 3.0, VS 2005, Visual Studio 2005, BizTalk, BizTalk Server, .NET, Visual Studio 2008, VS 2008, .NET 3.5, BPM, Workflow, WF, Windows Workflow Foundation, SOA, Cloud Computing, Cloud, BizTalk Services, Cloud Services
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(German version below / deutsche Version weiter unten) Expect a huge surprise today. I am waiting for the official press info to leak out so nobody is upset with me that I talk about it. What I can tell you is that it is around daenet and SOA. It will be one more reason to talk to us when it comes to...
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Andreas Erben
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03-06-2008
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Filed under: Windows Communication Foundation, WCF, .NET 3.0, BizTalk 2006, BizTalk RFID, BizTalk 2006 R2, BizTalk, BizTalk Server 2006, BizTalk Server 2006 R2, BizTalk Server, German, deutsch, .NET 3.5, SOA
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If you install .NET framework 3.5 beta 2 on the same machine like Microsoft BizTalk RFID, then your RFID Services will not start anymore. See: http://support.microsoft.com/kb/942521 The reason for this is that the installation of .NET framework 3.5 beta 2 does not leave the DLLs of .NET framework 3.0...
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Sometimes you will have a situation where you want to compile (and execute) a workflow at runtime. This is relatively easy when your workflow is pure .XOML and derives from classes available through the TypeProvider that implement everything it needs. When you want to test an activity that implements...
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Usually I agree with Damir and his excellent posts. However, I cannot agree 100% with his post about " WF - Unit Testing: How to create Activity Type from XOML? ". When not reading it carefully, it can be misunderstood in a way that the actual "Activity Type" is created from XOML...