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[.NET Core] Unable to create an object of type 'xxContext'. Add an implementation of

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Posted on 6/20/2019 5:53:53 PM | | |
NET Core Error Error When Building a New Scaffolding or Performing Database Migration:

Unable to create an object of type xxContext'. Add an implementation of 'IDesignTimeDbContextFactory<xxxContext>' to the project, or seehttps://go.microsoft.com/fwlink/?linkid=851728for additional patterns supported at design time.

Find relevant information, and the solution is as follows:

In the Data folder, create a class named xxContextFactory with the following class code:







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