can not generate controller - api controler with EF

Question

can not generate controller - api controler with EF

Santhi Dhanuskodi 365

Hi,

I am trying to generate controllers automatially using visual studio 'Add -controller - api controller with actions , using EF, but I get an error "Package restore failed". Tried all solutions available in internet, updated packages, reinstalled packages, cleared nuget cache etc... Cannt solve this issue.

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Qing Guo - MSFT 896 Reputation points Microsoft External Staff

2023-08-22T07:43:36.3133333+00:00

Hi @Santhi Dhanuskodi ,

I create an ASP.NET Core Web API project, and add Scaffoled Item, and I don't meet the error like yours. Please check your version , what's your version of the Visual Studio ？ What's the version of the packages ? And check the Visual Studio Installer if anything need to update ?

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Qing Guo - MSFT 896 Reputation points Microsoft External Staff

2023-08-22T07:43:36.3133333+00:00

Hi @Santhi Dhanuskodi ,

I create an ASP.NET Core Web API project, and add Scaffoled Item, and I don't meet the error like yours. Please check your version , what's your version of the Visual Studio ？ What's the version of the packages ? And check the Visual Studio Installer if anything need to update ?

Answer 1

Gyanendra Singh 0

Hi @Santhi Dhanuskodi @Qing Guo - MSFT

I realize this response is quite delayed, but I encountered the same issue today and found a solution:

Make sure the NuGet package Microsoft.VisualStudio.Web.CodeGeneration.Design matches the .NET Core version used in your application. If it's missing, install the package and rebuild your project.

After completing the above steps, try adding the controller again—this time, it should work like a charm!

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can not generate controller - api controler with EF

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