Solution: failed to Load file or assembly "entityframework, version =, culture = neutral, publickeytoken = b77a5c561934e089"

Source: Internet
Author: User

Using the nuget management package, you may install entity frameworks of different versions at different times: Version is installed at the initial stage of project creation, and the class Library added later is installed with version 6.1.1, so this problem occurs.


1. Tools-> library Package Manager-> Manage nuget packages of the Solution

2. Find the entityframework in the selected package, and click "Update ".

3. Select the project to be updated (usually the project to be updated is automatically selected by default), and click "OK ".

4. Wait until the update is complete and fix it.

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