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Video and Q&As from my Top 10 Treats in EF4 WebCast : Don't Be Iffy
published 1192 days, 11 hours, 57 minutes ago posted by https://me.yahoo.com/mosessaur#7fe0dhttps://me.yahoo.com/mosessaur#7fe0d 1194 days, 12 hours, 33 minutes ago
Friday, February 12, 2010 11:52:09 AM GMT Wednesday, February 10, 2010 11:16:03 AM GMT
The video from my webcast, Top 10 Treats in Entity Framework 4 is available on Oreilly’s website: http://www.oreillynet.com/pub/e/1517. I just discovered that WebEx saved the chat window from my O’Reilly webcast last month. So I thought I would pick out the quesitons and answer them here although I did answer some of them at the end of the webcast: Q address NOT Address?? Someone noticed that an entity was named address. The pluralization support in the VS2010 EDM Designer does not fix up bad capitali... (more)
category: Architecture | clicked: 0 | comment | | source: thedatafarm.com
tags: EF4, entityframework
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Using the Beta 2 EF POCO Template with VS2010 RC : Don't Be Iffy
published 1193 days, 12 hours, 18 minutes ago posted by https://me.yahoo.com/mosessaur#7fe0dhttps://me.yahoo.com/mosessaur#7fe0d 1194 days, 12 hours, 35 minutes ago
Thursday, February 11, 2010 11:30:56 AM GMT Wednesday, February 10, 2010 11:14:36 AM GMT
Entity Framework’s T4 templates all have a dependency on a file that includes additional specialized methods. If you look at the top of the templates (ENtityObject, POCO or Self-Tracking Entiteis) there is a pointer to a ttinclude file. (more)
category: Architecture | clicked: 0 | comment | | source: thedatafarm.com
tags: persistence ignorance, entityframework4, EF4, POCO, entityframework
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ADO.NET team blog : Entity Designer Database Generation Power Pack
posted by https://me.yahoo.com/mosessaur#7fe0dhttps://me.yahoo.com/mosessaur#7fe0d 1195 days, 14 hours, 9 minutes ago
Tuesday, February 09, 2010 9:40:30 AM GMT
The "Entity Designer Database Generation Power Pack" is a downloadable addition to Visual Studio 2010 Beta 2 which includes some new database generation technologies. The original Database Generation feature in the Entity Designer in VS 2010 is extensible via Windows Workflows and T4 Templates. This Power Pack builds on these extensibility mechanisms and introduces the following:Basic Table-per-Hierarchy support... (more)
category: Architecture | clicked: 2 | comment | | source: blogs.msdn.com
tags: entityframework4, Entity Framework, EF4, entityframework
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Simple Query Results Caching with EF4
published 1204 days, 4 hours, 1 minute ago posted by https://me.yahoo.com/mosessaur#7fe0dhttps://me.yahoo.com/mosessaur#7fe0d 1207 days, 11 hours, 36 minutes ago
Sunday, January 31, 2010 7:48:30 PM GMT Thursday, January 28, 2010 12:12:48 PM GMT
Simple Query Results Caching with EF4 Recently I spent some time working with a customer who was working on converting an existing application which had originally been written against an old 4GL database technology to .Net and EF4.  The programming patterns used in the app were a lot different than what we would normally expect from an app written from scratch against the EF.  In one of the typical scenarios, for instance, a single web service call made more than 200 database queries, so you can imagi... (more)
category: Architecture | clicked: 1 | comment | | source: blogs.msdn.com
tags: linqtoentities, EF4, entityframework, entity framework 4.0
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ADO.NET team blog : Announcing the Entity Framework POCO Template update for Visual Studio 2010 Beta 2
published 1209 days, 10 hours, 16 minutes ago posted by https://me.yahoo.com/mosessaur#7fe0dhttps://me.yahoo.com/mosessaur#7fe0d 1209 days, 23 hours, 15 minutes ago
Tuesday, January 26, 2010 1:33:47 PM GMT Tuesday, January 26, 2010 12:34:19 AM GMT
Announcing the Entity Framework POCO Template update for Visual Studio 2010 Beta 2Published 25 January 10 11:55 AM | dpblogs  Today we are releasing an updated version of the POCO entity generation templates that work with Visual Studio 2010 Beta 2. You can download them immediately using the Extension Manager inside Visual Studio 2010 Beta 2 or from the Visual Studio Gallery page, here for the C# version and here for the Visual Basic version. Usage of the templates is described in the updated POCO ... (more)
category: Architecture | clicked: 1 | comment | | source: blogs.msdn.com
tags: EF4, POCO, entityframework
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ADO.NET team blog : POCO Proxies Part 2: Serializing POCO Proxies
posted by https://me.yahoo.com/mosessaur#7fe0dhttps://me.yahoo.com/mosessaur#7fe0d 1227 days, 10 hours, 45 minutes ago
Friday, January 08, 2010 1:04:40 PM GMT
POCO Proxies Part 2: Serializing POCO ProxiesPublished 05 January 10 12:35 PM | dpblogs  This is the second of a two part blog series on using POCO proxies in the Entity Framework 4.0. The first post described the capabilities of proxies and details on how they work. Using proxies means your types aren’t exactly as your system expects. This can pose challenges for operations such as serialization where having the right type is critical. This post demonstrates the best practices for using proxies in sc... (more)
category: How To | clicked: 1 | comment | | source: blogs.msdn.com
tags: entityframework4, EF4, POCO, entityframework
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ADO.NET team blog : Walkthrough: Test-Driven Development with the Entity Framework 4.0
published 1246 days, 8 hours, 5 minutes ago posted by https://me.yahoo.com/mosessaur#7fe0dhttps://me.yahoo.com/mosessaur#7fe0d 1247 days, 23 hours, 48 minutes ago
Sunday, December 20, 2009 3:44:28 PM GMT Saturday, December 19, 2009 12:00:49 AM GMT
Walkthrough: Test-Driven Development with the Entity Framework 4.0Published 17 December 09 02:15 PM | dpblogs  This walkthrough will demonstrate how to use the new Plain Old CLR Object (POCO) support in Entity Framework 4.0 to develop an application using Test-Driven Development (TDD). In the first release of EF, entity classes had to inherit from EntityObject or implement one of the EF interfaces, which meant your classes had to have direct dependencies on the EF. As a result, writing unit tests tha... (more)
category: Architecture | clicked: 0 | comment | | source: blogs.msdn.com
tags: entityframework4, EF4, TDD
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ADO.NET team blog : Test-Driven Development Walkthrough with the Entity Framework 4.0
published 1247 days, 13 hours, 35 minutes ago posted by https://me.yahoo.com/mosessaur#7fe0dhttps://me.yahoo.com/mosessaur#7fe0d 1247 days, 23 hours, 50 minutes ago
Saturday, December 19, 2009 10:14:29 AM GMT Friday, December 18, 2009 11:59:39 PM GMT
Test-Driven Development Walkthrough with the Entity Framework 4.0Published 17 December 09 02:14 PM | dpblogs  This walkthrough will demonstrate how to use the new Plain Old CLR Object (POCO) support in Entity Framework 4.0 to develop an application using Test-Driven Development (TDD). In the first release of EF, entity classes had to inherit from EntityObject or implement one of the EF interfaces, which meant your classes had to have direct dependencies on the EF. As a result, writing unit tests that... (more)
category: Architecture | clicked: 1 | comment | | source: blogs.msdn.com
tags: entityframework4, EF4, TDD
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Meta-Me : Tip 48 – How to host a Data Service in WCF
published 1253 days, 15 hours, 4 minutes ago posted by https://me.yahoo.com/mosessaur#7fe0dhttps://me.yahoo.com/mosessaur#7fe0d 1255 days, 8 hours, 31 minutes ago
Sunday, December 13, 2009 8:45:31 AM GMT Friday, December 11, 2009 3:18:43 PM GMT
Tip 48 – How to host a Data Service in WCF Every wonder if you can host an Astoria Data Service in WCF? Well turns out the answer is yes, in fact once you’ve got your references set up etc it is pretty easy.Step 1 – Setting up your project Here is what my working project looks like: In this example I am using VS 2010 beta 2, but this should work with VS 2008 SP1 too. As you can see I have a Console app with an EF Entity Data Model called ProductsContext and a Data Service called ProductsCatalog.... (more)
category: Web Dev | clicked: 0 | 2 comments | | source: blogs.msdn.com
tags: entityframework4, EF4, DataServices, Entity Framework 4, WCF, WCF DataServices
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N-Tier Methods in Entity Framework 4 – Use with Care : Don't Be Iffy
posted by https://me.yahoo.com/mosessaur#7fe0dhttps://me.yahoo.com/mosessaur#7fe0d 1260 days, 13 hours, 3 minutes ago
Sunday, December 06, 2009 10:46:05 AM GMT
One of the things I struggled with in n-Tier apps in EFv1 was the options for reconstructing entity state on the server side in order to call SaveChanges when modified data was passed in from the client. The options were to hit the database to get a set of current server values and then apply updates to those or to just attach the incoming data and iterate through each property marking it as modified so that SaveChanges would be able to construct an Update. (more)
category: Architecture | clicked: 0 | comment | | source: thedatafarm.com
tags: entityframework4, EF4, entityframework
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T4 Templates in Entity Framework 4 - Gil Fink on .Net
published 1258 days, 23 hours, 13 minutes ago posted by gilfgilf 1261 days, 10 hours, 3 minutes ago
Tuesday, December 08, 2009 12:36:28 AM GMT Saturday, December 05, 2009 1:46:36 PM GMT
T4 templates or Text Template Transformation Toolkit is a mean of creating a code generation artifacts which can save a lot of time. This technology is a part of Visual Studio since 2005 but was one of those technologies that were kept in secret by Microsoft. Almost all the code generation stuff that is being used in Visual Studio in technologies such as MVC, Entity Framework,... (more)
category: How To | clicked: 0 | comment | | source: blogs.microsoft.co.il
tags: Entity Framework, EF4, T4 Templates
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IUpdateable from Eric Nelson - EF4
published 1262 days, 14 hours, 10 minutes ago posted by https://me.yahoo.com/mosessaur#7fe0dhttps://me.yahoo.com/mosessaur#7fe0d 1263 days, 8 hours, 44 minutes ago
Friday, December 04, 2009 9:39:23 AM GMT Thursday, December 03, 2009 3:05:40 PM GMT
Getting Started with Entity Framework 4 – Lazy Loading Getting Started with Entity Framework 4 – Complex Types and Entities T4 Templates and the answer to life, the universe and everything Tangible T4 Editor – a life saver Getting Started with Entity Framework 4 - Templated Code Generation Getting Started with Entity Framework 4 – Simple Model First Example (more)
category: How To | clicked: 0 | comment | | source: geekswithblogs.net
tags: entityframework4, EF4
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Meta-Me : Tip 47 – How fix-up can make it hard to change relationships
published 1263 days, 14 hours, 43 minutes ago posted by https://me.yahoo.com/mosessaur#7fe0dhttps://me.yahoo.com/mosessaur#7fe0d 1264 days, 14 hours, 36 minutes ago
Thursday, December 03, 2009 9:06:40 AM GMT Wednesday, December 02, 2009 9:13:24 AM GMT
Tip 47 – How fix-up can make it hard to change relationships Problem: Take this code: Category oldCategory = ctx.Categories     .Include("Products")     .First(c => c.Name == "Drink"); Category newCategory = new Category {Name = "Beverage"}; foreach(Product product in oldCategory.Products) {     newCategory.Products.Add(product); } Ignore for a second that in this example the solution is probably just to rename the oldCategory "Beverages" - Coming up with real world samples gets hard... (more)
category: Architecture | clicked: 0 | comment | | source: blogs.msdn.com
tags: entityframework 4, entityframework4, Entity Framework, EF4, EF 4.0, entityframework, Tips
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EF POCOs and GetObjectStateEntry : Don't Be Iffy
published 1264 days, 12 hours ago posted by https://me.yahoo.com/mosessaur#7fe0dhttps://me.yahoo.com/mosessaur#7fe0d 1265 days, 14 hours, 29 minutes ago
Wednesday, December 02, 2009 11:48:50 AM GMT Tuesday, December 01, 2009 9:20:02 AM GMT
Even when working with POCOs, the EF’s ObjectContext can track the objects using ObjectStateEntry objects just as it does for entities that inherit from EntityObject. I was thinking about ObjectContext.ObjectStateManager.GetObjectStateEntry. This method has two overloads. One takes an entity and the other takes an EntityKey of an entity. Then it returns the ObjectStateEntry being maintained to track that particular entity. In more detail, the signature for the first overload is GetObjectStateEntry(obj... (more)
category: How To | clicked: 1 | 1 comment | | source: thedatafarm.com
tags: persistence ignorance, entityframework4, EF4, POCO
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Meta-Me : Tip 46 – How to exclude a property using Code-Only
published 1265 days, 4 hours, 49 minutes ago posted by https://me.yahoo.com/mosessaur#7fe0dhttps://me.yahoo.com/mosessaur#7fe0d 1266 days, 16 hours, 53 minutes ago
Tuesday, December 01, 2009 7:00:29 PM GMT Monday, November 30, 2009 6:56:02 AM GMT
Tip 46 – How to exclude a property using Code-Only This time a real simple one prompted by this question on StackOverflow.Problem: If you tell the Entity Framework about this class using Code-Only, by default every property becomes part of Entity, and as a result stored in the database (more)
category: Architecture | clicked: 2 | comment | | source: blogs.msdn.com
tags: codeonly, entityframework4, EF4
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Meta-Me : Tip 45 – How to swap EF metadata at runtime.
published 1265 days, 4 hours, 49 minutes ago posted by https://me.yahoo.com/mosessaur#7fe0dhttps://me.yahoo.com/mosessaur#7fe0d 1267 days, 5 hours, 46 minutes ago
Tuesday, December 01, 2009 7:00:29 PM GMT Sunday, November 29, 2009 6:02:53 PM GMT
Tip 45 – How to swap EF metadata at runtime. Background By default the Entity Framework embeds its metadata inside your assembly as a resource, and put a connection string in the App or Web Config references those resourses something like this (more)
category: Data | clicked: 1 | 1 comment | | source: blogs.msdn.com
tags: Metadata, EF 3.5, Entity Framework, EF4, EF 4.0, entityframework, Tips
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