日语o meq ne ge le gt ltduo（还是o me ne duo ）记不清了，什么意思？

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Make sure make sure you are setting the ObjectState e.g. Added, Modified, Deleted, etc. for the appropriate action are trying to perform.
Might be a good idea to download the sample application from CodePlex and
make sure that inserts and updates are working and use this is a baseline example to compare from.
Address separation of concerns, CRUD should be in it’s own layer e.g. Repository
OOP 101, promote re-usability and portability. If all your CRUD is your presentation layer using EF directly, how is this reusable or consumable in anything else? e.g. If your building a front-end e-commerce application, and have a separate back-end to manage order fulfillment and this back-end is an ASP.NET or WPF app, you can’t re-use.
Compartmentalization, you don’t know where all your CRUD is in your system.
Abstraction, if you change a system-wide CRUD statement, you will need to refactor this everywhere it’s being used e.g. application, windows services, WPF, WorkFlow, etc.
I can go on and on, however, again, there’s plenty of artifacts out there for this question.
Abstracting from an ORM is a pattern or best practice, it’s up to you to decide whether or not to leverage it depending on your architectural use cases.
@ hoping we didn't need alternative for , disappointed this is not priority w/
@ team, but, yes we might have no choice
@ have started working vNext, however no OData support & unfortunately no status update from @ team
@ updated the blog post
with new URL to download the source code:
@ you can find the sample application here:
RT @: New Rogue One poster out!
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%d bloggers like this:这首歌是什么（反正不是中文也应该不会是英文的）ku li ta qiao qiu o be so le bu li ne qu lei o yi die ye qiu o
是罗马音的日文歌么
给你推见一首好歌 Arrietty's song
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