Method not found: 'Void EntityFrameworkCore.Design.Internal.DbContextOperations

Method not found: 'Void System.Data.Entity.DbModelBuilder.RegisterEntityType(System.Type)'

This exception probably is happening because of the different versions of loaded assemblies. If XAF referencies the 6.0.0 version in it's metadata, and your project doesn't, the compiler will load the 6.0.0 version to bin folder....You can try overload the assembly version in you application configuration file (app.config), using something like thi...

Microsoft.EntityFrameworkCore.Design' has different version then 'Microsoft.EntityFrameworkCore.Tools'

Solved by installing of preview 2 of dotnet instead of preview 3.

Entry point not found in assembly 'Microsoft.EntityFrameworkCore.Design - dotnet.exe crashes

I solved this by removing the Design reference and only using the tools reference....edit:...Over time gave me another error, from what I can tell the problem is that Microsoft updated their design package but not their tool package, so both don't work together, since if you follow their tutorial it should get the latest package you get an error by...

Add-Migration showing error EntityFrameworkCore.Design is not installed

I am following the tutorial for EntityFrameworkCore in here ...https://docs.efproject.net/en/staging/platforms/aspnetcore/new-db.html... But when i reach the create database part of the tutorial ...https://docs.efproject.net/en/staging/platforms/aspnetcore/new-db.html#create-your-database... and run the command Add-Migration MyFirstMigration I ge...

Error : Cannot execute this command because Microsoft.EntityFrameworkCore.Design is not installed

I had a similar issue I could not run add-migration from package manager console; it produced the same error. In my case lacking ..."type": "platform"... for .netcore.app was the issue. I had to change ..."Microsoft.NETCore.App": "1.1.0", "Microsoft.EntityFrameworkCore.Design": "1.1.0", "Microsoft.EntityFrameworkCore.Tools": "1.1.0-preview4-final" ...

Microsoft.EntityFrameworkCore.Design is not installed

First, fix inconsistency between ...netcoreapp1.0... and ..."Microsoft.NETCore.App": "1.1.0"...Second, you need ...Microsoft.EntityFrameworkCore.Tools... for running PM-Console commands....Existing ...Microsoft.EntityFrameworkCore.Tools.DotNet... is for dotnet CLI commands. You may create migrations running ...dotnet ef migrations add <name>... fro...

Could not load assembly Microsoft.EntityFrameworkCore.Design when running Add-Migration

I have created a Class Library project with the following .csproj:... <Project Sdk="Microsoft.NET.Sdk"> <PropertyGroup> <TargetFramework>netcoreapp1.1</TargetFramework> </PropertyGroup> <ItemGroup> <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="1.1.1" /> <PackageReference Include="Microsoft.EntityFram...

Method not found: 'System.Reflection.MethodInfo Microsoft.EntityFrameworkCore.Query.EntityQueryModelVisitor.get_SelectAsyncMethod()'

People I need help I am in a new project in which I am implementing identity server 4 and I am trying to recover the previously created users with asp.Identity that I have in my database to be able to verify when I make an external login from identity server 4. Sorry my english. My Startup.cs...public class Startup { public IConfiguration Conf...

Method 'Clone' in type 'Microsoft.EntityFrameworkCore.Infrastructure.Internal.SqliteOptionsExtension'

In your *.csproj file, make sure you are targeting a version of Sqlite package which supports .NET Core, i.e....<PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.4"/>

Method 'get_Info' in type 'Microsoft.EntityFrameworkCore.SqlServer.Infrastructure.Internal.SqlServerOptionsExtension

I added the following packages and the issue was solved...Microsoft.EntityFrameworkCore.SQLServer (3.1.2) and Microsoft.EntityFrameworkCore (3.1.2) ...Interesting that I got a runtime error not a build error.