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IUpdateable has moved to ericnelson.wordpress.com Please visit http://ericnelson.wordpress.com ORM
Q&A: Will my favourite ORM Foo work with SQL Azure?
short answer: Quite probably, as SQL Azure is very similar to SQL Server longer answer: Object Relational Mappers (ORMs) that work with SQL Server are likely but not guaranteed to work with SQL Azure. The differences between the RDBMS versions are small – but may cause problems, for example in tools used to create the mapping between objects and tables or in generated SQL from the ORM which expects “certain things” :-) More specifically: ADO.NET Entity Framework / LINQ to Entities can be used with ......

Posted On Monday, June 7, 2010 4:05 PM

Slides and links for Entity Framework 4 session for .NET Developer Network UG
Last night (3rd Dec 2009) I was lucky enough to be speaking at my local (and most excellent) user group http://www.dotnetdevnet.com/. There were plenty of mince pies and lots and lots of swag to give away – plus great questions and chats in the breaks. Thoroughly enjoyed it. Slides: Entity Framework 4 In Microsoft Visual Studio 2010 - ericnel View more presentations from ukdpe. Links from the session: Install VS2010 Beta 2 http://bit.ly/vs2010b2 LINQPAD beta for Visual Studio 2010 Beta 2 http://linqpad.net/Beta.aspx ......

Posted On Friday, December 4, 2009 9:04 AM

Entity Framework Interview – yep, this is what I look like!
In March 2009 I presented on Entity Framework V1 and a little V2 at DevWeek 2009. MikeT caught me on camera while I was there. I have (rather embarrassingly) only just got round to publishing the video. Ultimately I run out of excuses and was only left with … I’m shy :-) I presented an updated version of the deck earlier this Month (May) which you can view here along with additional links ......

Posted On Wednesday, May 20, 2009 4:16 PM

DataDirect add support for Entity Framework to Oracle
I’m very pleased to see that DataDirect have a beta of their Connect for ADO.NET Entity Framework provider for Oracle which now adds support for the ADO.NET Entity Framework. Still in Beta (1st may 2009) and available for download. Enjoy (and feedback what you find – tx) P.S. Other companies also provide this capability – but I know a lot of folks use DataDirect for Oracle work ......

Posted On Friday, May 1, 2009 9:43 AM

Summary of the Entity Framework 4 changes introduced with Beta 2 and CTP 2
I thought it would be useful (at least to me!) to summarise the new stuff in Entity Framework 4 given it actually comes in 2 parts. The list is a simplified and categorised version of this and this. General Foreign Keys now added: EF 4 now includes a new type of associations (Foreign Key Associations) that allow you to have Foreign Key properties on your entities. They are the default although the EF v1 Independent Associations remain. Lazy Loading on by Default in new Models: Also name change from ......

Posted On Friday, November 6, 2009 4:37 PM

The relationship between Entity Framework 4 betas and ctps explained
There seems to be enough confusion about the betas and ctps of Entity Framework 4 to warrant a brief post. Hopefully this should clear things up nicely. Put simply: Most of Entity Framework 4 (EF4) will ship with .NET Framework 4 and Visual Studio 2010 (.NET4/VS2010), however not all of it will. Most of EF4 is therefore in the beta releases of .NET4/VS2010, however not all of it is. The missing bits of EF4 appear in EF4 Feature CTP releases “soon after” the release of a beta. Right now (Nov 6th 2009), ......

Posted On Friday, November 6, 2009 4:13 PM

Entity Framework Books (with Amazon UK links)
Having been asked 5 times today for recommendations, I figure this post is long overdue: There are several books out there but IMHO these are the two you should purchase. Julia is focused entirely on Entity Framework (all 800+ pages!) and Roger takes a broader look at ADO.NET3.5 but does a great job on Entity Framework. Programming Entity Framework by Julia Lerman (Author) and Professional ADO.NET 3.5 with LINQ and the Entity Framework by Roger Jennings (Author) ......

Posted On Wednesday, March 25, 2009 4:57 PM

Entity Framework v1 and v2
Today I delivered a session introducing Entity Framework at www.devweek.com. I expanded the session to include a brief overview of the new stuff we should expect (but I don’t guarantee) will ship in .NET Framework 4.0 with Visual Studio 2010. First up, some useful links: Main ADO.NET Entity Framework site including “How To” videos Well written overview article My previous posts on Entity Framework Entity Framework v2 features http://blogs.msdn.com/efdes... ADO.NET team blog including plenty on the ......

Posted On Wednesday, March 25, 2009 4:40 PM

ADO.NET Entity Framework and large databases ... fine with 400 tables/views
I keep talking about Entity Framework and I keep getting asked about large databases. I have a stock answer based on work by an early adopter and some other stuff – but I kept meaning to try this out myself. I was about to give it a whirl when I decided to do a quick search (as TBH I am pressed for time today) and came back with this post from Julie – which pretty much matches the limited testing I was about to try. Julie tested the design tool with 400 tables and views Model generation < 1 min ......

Posted On Wednesday, January 21, 2009 2:29 PM

Fiddler and ADO.NET Data Services
It was my colleague MikeT who put me on to Fiddler a while back and it has proven to be really useful for my work with Data Services. By chance I just came across this example in which Shawn uses Fiddler to look at performance issues. At which point I decided Fiddler definitely needs a “shout out” :-) You will find MikeT using it in many of his ADO.NET Data Services screencasts over on Channel9. P.S. Nice work by Shawn to host a Silverlight sample ADO.NET Data Services over NorthWind using Entity ......

Posted On Wednesday, January 21, 2009 2:26 PM

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