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Tantalising post from the Astoria team.
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I produced a new set of short videos around ADO.NET Data Services and dropped them on to Channel 9. You can find them here; http://channel9.msdn.com/tags/UK and that list will grow as time goes in ( specifically, it'll grow if I can get the publishing system to publish my next 4 videos for me as it's...
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This is similar but not at all identical to this post about LINQ to SQL because it's using a different framework and that has different capabilities. Someone mailed and asked how we can detect concurrency problems with Entity Framework in order to ensure that when we submit changes to the DB we first;...
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Thanks a lot to the people who came along to my Entity Framework talk at the Oracle and .NET Special Interest Group in London today. As promised, I've uploaded the slides in PPTX and PDF format if you need them for anything.
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Julie points to Danny and Danny points to the next CTP of Entity Framework - if you're interested in serializing the entities that Entity Framework returns back to you then you'll be interested in this; http://www.thedatafarm.com/blog/2008/03/28/HallelujahEntityGraphsWillBeXMLSerializable.aspx
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I did a talk down at DevWeek this afternoon about ADO.NET Entity Framework. Whilst it was a small room, it was full and I had a great time - hopefully if you attended then you enjoyed it too and got something useful out of it. Thanks for all the questions :-) As promised, the slide-deck is available...
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Someone asked me about this so I thought I'd share here. The question was around how you can work with database generated values and have them returned to the client after the insert. My experiment ran like this. I created a table; create table test ( id int identity primary key not null , someColumn...
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I have a mail from Tim on the EF team that I've had for a little while. I'd asked a question about mapping and he'd given me an answer saying something like "Oh, you could always do X, Y, Z" and I'd left this mail in my inbox for a while because I've been distracted and also because I didn't really understand...
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I made a few more videos; ADO.NET Data Services - Querying with LINQ ADO.NET Data Services - Query Interceptors ADO.NET Data Services - Service Operations to go with these videos . Note, there are some "technical difficulties" at the moment in getting some of those videos to play in the Silverlight player...
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Just a quick link to make this easier to find; ADO.NET Data Services Silverlight Add-On
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Following on from these posts; ADO.NET Data Services - Exposing Arbitrary Data (1) ADO.NET Data Services - Exposing Arbitrary Data (2) ADO.NET Data Services - Exposing Arbitrary Data (3) it's time to look at updates. Using the Entity Framework based service I can write a simple update such as; demoEntities...
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Following on from these posts; ADO.NET Data Services - Exposing Arbitrary Data (1) ADO.NET Data Services - Exposing Arbitrary Data (2) what if I want to delete my newly inserted data? Against the Entity Framework data source I can write something like; demoEntities efService = new demoEntities( "http...
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Following on from the previous post , I wanted to look at how we can make our arbitrary data source available for both read and write in the same way that an Entity Framework data source is. As I talked about in this post , this involves implementing IUpdatable on the class that we feed to WebDataService<T>...
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I've been playing over Xmas with exposing arbitrary data from an ADO.NET Data Service and I wanted to try and write it up here although I don't have it 100% nailed down or correct at this point - still some things to figure out. Note that a lot of this is already covered by Jonathan up here but I want...