entity framework error c#

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i am using entity framework model and after creat by wizard and binding a grid to table
the error
The underlying provider failed on Open
show
how to fix it?

Posted 1-Jun-14 3:27am

Hekmat90

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DamithSL 1-Jun-14 9:42am

have you follow any tutorial or article?

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DamithSL · Answer 1 · 2014-06-01T03:45:00

I think you better follow few articles which written specially for beginners first. then you will have idea about EF.
An Introduction to Entity Framework for Absolute Beginners[^]
An Absolute Beginner's Tutorial for understanding Entity Framework's Code First Approach in ASP.NET MVC[^]
Absolute Beginners Guide to Entity Framework[^]