This feature is killer and it’s been waited for long time by any developer or company who use EF visual models with a lot of entities. Think about a model where you have hundreds of entities.., opening a single diagram with 200 entities doesn’t make sense...

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...

You can install Windows 8 into a .VHD following a similar process (like this post I wrote) than when you install it on a raw hard drive, but if you want to have a clean master .vhd which is not related to any specific installation and machine name, and...

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...

  ALM Domain Driven Design ( DDD ) is especially suitable for creating long-term LOB Apps, but usually, DDD is presented as a very patterns & architecture related subject (topics like Bounded-Contexts, Domain-Models , patterns like Repository...

** May 31st 2012 – UPDATE TO WINDOWS 8 RELEASE PREVIEW ** There are quite a few steps to do, so I’ll write it down for my records. Specifically, I have installed the Windows 8 Release Preview on a on a Samsung Slate Series 7 Tablet , but on a .VHD with...

CQRS has several internal patterns and objects types like Commands , CommandHandlers , Events , EventHandlers , and a few others. In the following diagram I show a basic diagram positioning those topics: I am not going to explain CQRS philosophy here...

I am collaborating with the patterns & practices team . We are considering doing a guidance project on implementing systems using the Command & Query Responsibility Segregation (CQRS) approach. This is not going to be a framework or reusable components...

I publish this information because I’ve been collaborating with them on migrating their backend anti-virus system to the Microsoft PaaS cloud which is Windows Azure. They have got many benefits on doing this, like elasticity, rapid scalability,...

It was a nice event exposing Windows Azure scenarios very oriented to ISVs, subjects like Multi-Tenancy , Security, Java apps on Windows Azure, etc. Additionally we had three companies ( Panda-Security , Softeng and Grupo Teldat ) talking about their...

In December we’re going to deliver this free assistance event focusing on enterprise applications and architectures on Windows Azure, subjects like MULTi-TENANCY on windows Azure, and showing optimizations, scalability and load testing made by real...

I always forget the command line to do this, so I’m going to post it in my own blog. The way to set a specific certificate name, so you can find it within Windows Azure after it is registered, is using the Certificate Creation Tool (makecert...

It was a remarkable DDD (Domain Driven Design) event in Madrid, Spain. We got around 150 attendees !!, and taking into account that this is the inaugural event from the IASA-Spain association , and this association was almost unknown in Spain, until now...

As you may know, a Windows Azure package is a .ZIP file, but, it is encrypted, so, even though you can rename the extension, when you take a look into it, you cannot really see the project files. In order to see it, you need to create a package which...

Eric Evans and Udi Dahan in IASA DDD ( Domain Driven Design) Conference and Workshops !!! (Nov.2011). This is a unique opportunity. On November 7th, there will be an initial conference (free registration) introducing DDD & CQRS, and then, during next...

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...

Regarding DDD patterns, here I link two nice Value-Object implementation samples: http://elegantcode.com/2009/06/07/generic-value-object/ http://grabbagoft.blogspot.com/2007/06/generic-value-object-equality.html

Ayende has been publishing a series of blog posts reviewing the V1.0 of the NLayerApp Sample App (Note we made V2.0 public a few weeks ago, so most of the code issues he highlights do not apply now). We’ve been taken into account every of those...

New! First V2.0 ALPHA version at CODEPLEX and preliminary chapters’ drafts of eBook (Second Edition) Dear colleagues, after some time of effort, we can show you our preliminary version (alpha version, actually) of what V2.0 will be. We are initially...

So, it was such a great event with Eric Evans, Udi Dahan and Greg Young. Here I post a few pictures I got. Before starting: Eric Evans presenting the Agenda: Q&A to Eric, Udi and Greg: Saying hello to Udi: Strong discussions...

  WCF RIA Services and JSON endpoints Interesting posts about the base for many future apps based on HTML5, WCF RIA Services JSON endpoints and JavaScript : http://blogs.msdn.com/b/davrous/archive/2010/12/14/how-to-open-a-wcf-ria-services-application...

It is usually a recommended practice to have Value-Object base-class so we can have common functionality which can be used by all of our value-object classes. Typically, comparison methods or any other common subject for Value-Objects, should be included...

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...

We just published the English version of our 'DDD N-Layered .NET 4.0 Architecture Guide’ book (at MSDN). The ‘ landing page ’ where you can download the free eBook in several formats like .PDF , .XPS and for eBook Readers (.EPUB ...

[UPDATED June 7th] Here I add a nice LightSiwtch Sample Application: http://blogs.msdn.com/b/bethmassi/archive/2011/05/25/contoso-construction-lightswitch-advanced-development-sample.aspx [UPDATED May 11th 2011] Here I attach the presentation...