This error was reported today in the EF development process:Entity Framework Exception: Unable to load the specified metadata resource
On the Internet to read some of the posts, generally speaking the solution is more cumbersome.
That's how I solved it:
First I'll say my file hierarchy: There is the Web Class library and the Dal class library, and the data's edmx is in the Dal class library.
I suspect that the two configuration file may be caused by different, the appconfig in the Dal to copy the connection key in the Web Webconfig, and delete the original, and sure enough to not error, but another error occurred: the underlying provider failed on the Open
Then, I put the Webconfig connection in the Web from the original do not need password connection to password connection, it's all right
Entity Framework exception: Unable to load specified metadata resource