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  • How to split your EDM v2?

    After my previous post about it , my customer asks me the following question: how to get a complete graph (with categories, suppliers, products, order details, orders, customers and employees)? To realize it, we have to add “sort of” navigation properties for the entities like this: private...
    Posted to Matthieu MEZIL (Weblog) by Matthieu MEZIL on Tue, Jun 2 2009
    Filed under: .Net, EF, EDM

  • ValidateOnBuild

    The VS 2008 SP1 EDM designer doesn’t support all the mapping scenarii: Complex Types (supported with VS 2010 Beta 1) TPC Horizontal Entity Splitting I know another (free) designer which does . The most irritating thing with VS 2008 EDM designer (it isn’t true, likely, with VS 2010 Beta 1) is the fact...
    Posted to Matthieu MEZIL (Weblog) by Matthieu MEZIL on Fri, May 29 2009
    Filed under: .Net, EF, EDM

  • AjGenesisCF: generación de código para generation for .NET Compact Framework

    Gracias al trabajo de Federico Boerr y su equipo, tenemos una nueva versión de AjGenesis , escrita para ejecutarse desde .NET Compact Framework: http://ajgenesiscf.codeplex.com/ Esta versión sólo usa las características soportadas por el Compact Framework. Entonces, no tenemos...
    Posted to Angel "Java" Lopez (Weblog) by lopez on Fri, May 29 2009
    Filed under: .NET, Generación de Código, AjGenesis

  • How to split your EDM?

    One of my customers wants to code an ERP. To make it, he wants to use EF. His DB has more than 600 tables with a lot of relationships between all of them. The problem is the fact that Entity Framework has some difficulties with big models. You should look at Srikanth Mandadi two posts about it ( working...
    Posted to Matthieu MEZIL (Weblog) by Matthieu MEZIL on Wed, May 27 2009
    Filed under: .Net, EF, EDM

  • EF: SQL queries

    With EF4, it’s possible to execute some SQL queries. (It was possible with EF v1 with EF extensions ). I don’t like it. Indeed, it implies to break the EDM abstraction against the DataBase. Moreover, we can do without. In the V1, it was possible, with SSDL Functions, to write the SQL query...
    Posted to Matthieu MEZIL (Weblog) by Matthieu MEZIL on Mon, May 25 2009
    Filed under: .Net, EF

  • POCO: CreateObject and object initializer

    When we work with POCO entities, queries return instances of proxy class which inherits entity types. Having some proxy instances allow us to use lazy loading. When we create an entity in order to attach it to the context, we can do a new on our entity type but it can be better to instanciate the proxy...
    Posted to Matthieu MEZIL (Weblog) by Matthieu MEZIL on Fri, May 22 2009
    Filed under: .Net, C#, EF, EDM, T4

  • CheckBoxList validation

    Within our current project, we faced a requirement such that there are multiple checkboxes and the user is required to select any one of them (at least one of them). So as there are multiple checkboxes, decided to go with CheckBoxList control. Now the problem is that, we need to show a error message...
    Posted to Chakravarthy's Space (Weblog) by Chakravarthy on Thu, May 21 2009
    Filed under: Tips, Code, JavaScript, ASP.NET, VS2008, .NET

  • ASP.NET 4.0 Beta1 - What’s new in System.Web.dll. Assembly outlook [whitepaper]

    Introduction This guideline provides detailed overview of System.Web assembly and the new classes and methods in ASP.NET 4.0, which were released with Visual Studio 2010 Beta1. Document is subject to change – we are trying to find detailed information about all new stuff and update description column...
    Posted to SharePoint Tips and Tricks, Best Practices and Recommendations (Weblog) by Michael on Wed, May 20 2009
    Filed under: Web, .NET

  • Play with T4

    One of the most important new thing with EF4 (EF v2) is POCO entities (no dependency with EF). Having independent classes is good but code generation also is. Indeed, if we want to change entities we don’t have to do the work twice (one for edmx and one for the entity class). So what would be very...
    Posted to Matthieu MEZIL (Weblog) by Matthieu MEZIL on Tue, May 19 2009
    Filed under: .Net, EF, EDM, T4

  • Typemock Is Launching The ASP.NET Bundle – Get Free Licenses

    Typemock is launching a new product for ASP.NET developers – the ASP.NET Bundle - and for the launch they are giving out FREE licenses to bloggers and their readers. The ASP.NET Bundle is the ultimate ASP.NET unit testing solution, and offers both Typemock Isolator and Ivonna , the ASP.NET Isolator add...
    Posted to Paulo Morgado (Weblog) by Paulo Morgado on Mon, May 18 2009
    Filed under: .NET, ASP.NET, SoftDev, Tools, Testing, UnitTests, TypeMock
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