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WPF databinding with the POCO Template

The new support for POCO in Entity Framework seeks to enable better ways of coding application domain logic without polluting domain classes with persistence concerns. Persistence Ignorance can in fact improve maintainability, testability and evolvability...

Published 2009/8/27 14:02 by 革命

Filed under: WPF, POCO, Entity Framework 4.0

N-Tier Application Patterns

In my previous article, I described a foundation on which you can build successful n-tier applications, focusing mainly on anti-patterns to avoid. There are many issues to consider before making decisions about the design of an n-tier application. In...

Published 2009/7/29 0:49 by 革命

Filed under: Entity Framework, POCO, Entity Framework v2

【翻译】实体框架中的POCO支持 - 第二部分 - 复杂类型，延迟装载和显式装载

【原文地址】 POCO in the Entity Framework : Part 2 – Complex Types, Deferred Loading and Explicit Loading 【原文发表日期】 28 May 09 09:03 AM 在上星期的贴子《 POCO Experience in Entity Framework 》（实体框架中的POCO体验）中，我讨论了Entity Framework 4.0中POCO支持的基本。在这个贴子里，我将讨论与POCO相关的另外几个方面...

Published 2009/7/10 23:45 by 革命

Filed under: EF4, POCO, Entity Framework v2

db4o POCO Repository using Visual Studio 2010 .Net 4.0 Beta 1 and ASP.Net MVC 1.0

Note: This article applies to beta software and comes with no warranty or support, use at your own discretion. You must have Visual Studio.Net 2010 Beta 1 installed on your machine to make use of the code. KandaAlpha now hosted on CodePlex, download from...

Published 2009/6/30 13:48 by 革命

Filed under: EF4, POCO, DDD

T4 POCO Templates for L2S and EF

In my MSDN Magazine article on SOA Data Access I recommend exposing Data Transfer Objects (DTOs) from the Data Access Layer (DAL). These objects should be Plain Old CLR Objects (POCOs) that are Persistent Ignorant (PI), eschewing traces of any particular...

Published 2009/6/22 2:49 by 革命

Filed under: Entity Framework, POCO, T4, LINQ to SQL

Using Repository and Unit of Work patterns with Entity Framework 4.0

If you have been watching this blog, you know that I have been discussing the various aspects of POCO capabilities we added to Entity Framework 4.0. POCO support makes it possible to do persistence ignorance with Entity Framework in a way that was never...

Published 2009/6/18 13:18 by 革命

Filed under: EF4, POCO, Entity Framework v2

POCO in the Entity Framework : Part 3 – Change Tracking with POCO

In my last post on POCO , I mentioned the fact that there are two types of change tracking possibilities with POCO: Snapshot based Change Tracking and Notification based Change Tracking with Proxies. In this post, I would like to drill into both...

Published 2009/6/11 13:23 by 革命

Filed under: VS2010, Entity Framework, EF4, POCO

演示支持POCO,EF4 beta带来的新APIs

EF4 Beta版增加了新的方法到ObjectContext。这些新APIs用来与EntityObjects、IPOCO、POCO实体配合工作： public partial class ObjectContext { ApplyCurrentValues 这个 API就像EF v1的 ApplyPropertyChanges 原理是从指定的对象获取标量属性值，并拷贝它们到带有相同EntityKey的对象中去。任何与初始值不同的值将被标记为Modified。例如， Customer customer_orig...

Published 2009/6/7 14:28 by 革命

Filed under: EF4, POCO

NTier with Entity Framework 4 Beta 1 - (VS2010 / .Net 4.0 Beta 1)

Introduction My blog has been feeling very neglected after my move to the US and I thought with the recent release of Visual Studio 2010 / .Net Framework 4.0 Beta 1 it would be a good time to get back into a regular blogging rhythm. So for the first post...

Published 2009/6/6 10:33 by 革命

Filed under: VS2010, WPF, EF4, POCO, T4

Using T4 Templates to generate EF classes

Spurred on both by the success of Damien Guard in using T4 to generate Linq to SQL code and of Jeff Reed from the EF team who built a prototype for using T4 to generate EF code, I recently hacked something up that makes it fairly easy to use T4 to generate...

Published 2009/6/5 11:09 by 革命

Filed under: Entity Framework, POCO

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...

Published 2009/6/5 10:33 by 革命

Filed under: Entity Framework, EF4, POCO

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