What is the best ADO.NET 4.0 book for beginners? [closed]

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i am searching a good book to learn AD开发者_运维问答O.NET 4.0, book should be excellent technical overview with practical examples, I want to learn ADO.NET Where should I start?

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ADO.Net may be a pretty broad topic. Here are some books that I've had success with:

• Linq 2 SQL
• Entity Framework
• Classic ADO.Net, this book was originally for v1.1 but it covers all of the basics very well