AddAutoMapper not found in .NET Core with AutoMapper

Question

Using Visual Studio 2019 I installed AutoMapper version 8.1.0 via NuGet. When I try to add the services.AddAutoMapper() call though in my Startup.cs file I get a compiler error that the method doesn't exist.

I've already tried to do a dotnet clean and dotnet restore from the NuGet console but that didn't help.

Thanks, @LucianBargaoanu. I had installed your base package and didn't realize your NuGet link was pointing at a different package. Also, the "here" link goes to a 404. — Gargoyle
– Gargoyle, Commented May 20, 2019 at 14:37

Simas Joneliunas · Accepted Answer · 2020-02-18 02:04:13Z

34

It is an old thread, however the solution for this problem is to install Automapper.Extensions.Microsoft.DependencyInjection package along with your automapper package. I hope it helps.

edited Feb 18, 2020 at 2:04

Simas Joneliunas

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answered Feb 18, 2020 at 1:40

payam ardeshirzad

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Arjun Vachhani · Accepted Answer · 2024-06-02 16:44:49Z

2

In 2024, uninstall AutoMapper.Extensions.Microsoft.DependencyInjection package

Starting with version 13.0, AddAutoMapper is part of the core package and the DI package is discontinued

If you are using AutoMapper.Extensions.Microsoft.DependencyInjection then NuGet package uninstall AutoMapper.Extensions.Microsoft.DependencyInjection package.

answered Jun 2, 2024 at 16:44

Arjun Vachhani

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