MyCompany Demo Apps – Extended info and related sessions (DemoScripts and PPT/decks)

—- [UPDATE January 2014]: Added two more client apps to ‘MyCompany Demo Apps’, the iPad and Android client applications developed in C# with Xamarin.iOS and Xamarin.Android thanks to a partnership we made between Microsoft and Xamarin]. Get it from: https://github.com/xamarin/MyCompany/ —- At the Visual Studio 2013 Launch Event (Nov. 13th 2013), Microsoft used a set of demo…

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Just released our .NET Business Applications Technology Guide (MS PRESS eBook)

What is this guide / eBook about? UPDATE – Dec.2013 This same Guide has been published now as free MS PRESS eBook, here: http://blogs.msdn.com/b/microsoft_press/archive/2013/11/13/free-ebook-net-technology-guide-for-business-applications.aspx — A few days ago (late June 2013, at BUILD) we released a new paper showing a global and broad picture of Microsoft development technologies for custom LOB applications. Download: http://www.microsoft.com/net/nettechnologyguidance The…

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Coloring Entities with EF 5.0 RC and VS.2012 RC

In Visual Studio 2012 RC (the Release Candidate was released last week on May 31st 2012) and Entity Framework 5.0 RC, the Entity Designer surface of EF MODEL/DATABASE FIRST, now supports entity shape coloring. This is really nice to differentiate categories, like when you have several AGGREGATES within your MODEL, etc. Here is a sneak…

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Entity Framework Code First DbContext and SQL Azure Connection Fault Handling

  I’ve been working migrating an App to Windows Azure and SQL Azure. This app is using Entity Framework 4.3 Code First and DbContext. One important point is related to the SQL Azure Conection Fault Handling. If you don’t know about this topic, you can read this explanatory info: http://social.technet.microsoft.com/wiki/contents/articles/1541.sql-azure-connection-management-en-us.aspx Then, regarding a workaround when…

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EF 4.1.1 RTM (Update) and Code First Migrations August 2011 CTP Released

EF 4.1 Update 1 (EF 4.1.1) has been released a few days ago. http://blogs.msdn.com/b/adonet/archive/2011/07/25/ef-4-1-update-1-released.aspx The important point is also EF 4.1.1 Code First Migrations August 2011 CTP Released: http://blogs.msdn.com/b/adonet/archive/2011/07/27/code-first-migrations-august-2011-ctp-released.aspx This is really important for people working with Code-First because it allows to change your Entity Model and then upgrade your database instead of having to…

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Don’t like EF 4.1 ‘Data Annotations’ for DDD Architectures implementation –’Fluent API’ fits better for that!

I write this post in order to get some feedback regarding what I currently think about EF 4.1 Data Annotations and how it fits in DDD Architectural styles. About DDD Architectural styles, here it is our Architecture Guide (Though we are actually writing its second edition, adding EF 4.1 Code-First approach). But most DDD Architectural…

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Entity Framework 4.1 just Released!

For me, it means fundamentally ‘Code First approach’, which is actually the best approach for DDD (Domain Driven Design) architectural styles (for your Domain Entity Model). So now, it is ready for production developments!!. Release to Web (RTW) of Microsoft ADO.NET Entity Framework 4.1 (EF 4.1). This is a fully supported, go-live release.   What’s…

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Handling SQL Azure Connections issues using Entity Framework 4.0

    The underlying platform within SQL Azure consists of many instances of SQL Server, each of which is managed by the SQL Azure fabric. The SQL Azure fabric is a distributed computing system composed of tightly integrated networks, servers, and storage. It enables automatic failover, load balancing, and automatic replication between physical servers. Troubleshooting…

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Using Entity Framework Self Tracking Entities with AppFabric CACHE (‘Velocity’) and .NET 4.0 RTM

Currently, when you try to use Entity Framework STE (Self Tracking Entities) and AppFabric-Cache (aka. “Velocity”), you’ll get a runtime error. I mean, what we’re trying to do is trying to serialize STE objects within AppFabric-Cache. For instance, we could try to execute the following code, using AppFabric Cache API: var cacheContainer = this._cacheFactory.GetCache(container); cacheContainer.Put(key,…

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