An issue implementing migrations in the data layer

fatih uyanık 80 Reputation points
2024-04-05T08:04:08.8033333+00:00

Hello

I started developing a new c# WPF project. In a solution, I separated the layers as UI and Data. I placed database-related models and configurations in the data layer. Then, I gave the Data project as a reference to the ilse UI project.

The problem is this: when I try to migrate the database in the data project, "Your startup project 'GradeAnalyzer' doesn't reference Microsoft.EntityFrameworkCore.Design. This package is required for the Entity Framework Core Tools to work. I get the error "Ensure your startup project is correct, install the package, and try again". GradeAnalyzer UI project. When I looked at their references, I noticed that the packages mentioned were not there. What should I do to solve this problem? What are your suggestions?

Thanks.

Entity Framework Core
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A lightweight, extensible, open-source, and cross-platform version of the Entity Framework data access technology.
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A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
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An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
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  1. Jiale Xue - MSFT 32,071 Reputation points Microsoft Vendor
    2024-04-05T08:34:14.21+00:00

    Hi @fatih uyanık ，Welcome to Microsoft Q&A,

    If you are missing Microsoft.EntityFrameworkCore.Design.

    This nuget package needs to be added manually in nuget manager.

    User's image

    User's image

    Typically you may need to add Microsoft.EntityFrameworkCore.SqlServer and Microsoft.EntityFrameworkCore.Tools using the same method.

    Best Regards,

    Jiale

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