asp.net-core-mvc – 为dotnet核心asp.net运行CRUD脚手架时出错

所以我正在攻击.net核心并启动了一个新的asp.net核心应用程序.我创建了一个.net核心类库,并包含了对实体框架核心的引用.我创建了一个上下文,我试图在我的asp.net核心项目中使用这个上下文.当我尝试脚手架时,我一直遇到这个错误：

出于搜索目的,这里是错误消息：

There was an error running the selected code generator:

‘There was an error creating/modifying a DbContext,there was no type returned after compiling the new assembly successfully.’

我过去曾多次使用实体框架用于其他asp.net网络项目,并且在尝试抽象出应用程序项目之外的dbContext时总是遇到问题.但是,这次我无法找到解决方法.

有没有人见过这个错误？我可以提供有关我的project.json文件的更多详细信息,但不是在这篇文章中放一个大的复制粘贴,我想我会先看看是否有人遇到过这个问题.

目前在我的网站项目上运行：

{
  "dependencies": {
    "Microsoft.NETCore.App": {
      "version": "1.0.1","type": "platform"
    },"Microsoft.AspNetCore.Authentication.Cookies": "1.0.0","Microsoft.AspNetCore.Diagnostics": "1.0.0","Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore": "1.0.0","Microsoft.AspNetCore.Identity.EntityFrameworkCore": "1.0.0","Microsoft.AspNetCore.Mvc": "1.0.1","Microsoft.AspNetCore.Razor.Tools": {
      "version": "1.0.0-preview2-final","type": "build"
    },"Microsoft.AspNetCore.Routing": "1.0.1","Microsoft.AspNetCore.Server.IISIntegration": "1.0.0","Microsoft.AspNetCore.Server.Kestrel": "1.0.1","Microsoft.AspNetCore.StaticFiles": "1.0.0","Microsoft.EntityFrameworkCore.SqlServer": "1.0.1","Microsoft.EntityFrameworkCore.SqlServer.Design": {
      "version": "1.0.1","Microsoft.EntityFrameworkCore.Tools": {
      "version": "1.0.0-preview2-final","Microsoft.Extensions.Configuration.EnvironmentVariables": "1.0.0","Microsoft.Extensions.Configuration.Json": "1.0.0","Microsoft.Extensions.Configuration.UserSecrets": "1.0.0","Microsoft.Extensions.Logging": "1.0.0","Microsoft.Extensions.Logging.Console": "1.0.0","Microsoft.Extensions.Logging.Debug": "1.0.0","Microsoft.Extensions.Options.ConfigurationExtensions": "1.0.0","Microsoft.VisualStudio.Web.BrowserLink.Loader": "14.0.0","Microsoft.VisualStudio.Web.CodeGeneration.Tools": {
      "version": "1.0.0-preview2-final","Microsoft.VisualStudio.Web.CodeGenerators.Mvc": {
            "version": "1.0.0-preview2-final","type": "build"
        },"DBCONTEXTPROJECT: "1.0.0-*"
  },"tools": {
    "BundlerMinifier.Core": "2.0.238","Microsoft.AspNetCore.Razor.Tools": "1.0.0-preview2-final","Microsoft.AspNetCore.Server.IISIntegration.Tools": "1.0.0-preview2-final","Microsoft.EntityFrameworkCore.Tools": "1.0.0-preview2-final","Microsoft.Extensions.SecretManager.Tools": "1.0.0-preview2-final","imports": [
        "portable-net45+win8"
      ]
    }
  },"frameworks": {
    "netcoreapp1.0": {
      "imports": [
        "dotnet5.6","portable-net45+win8"
      ]
    }
  },"buildOptions": {
    "emitEntryPoint": true,"preserveCompilationContext": true
  },"runtimeOptions": {
    "configProperties": {
      "System.GC.Server": true
    }
  },"publishOptions": {
    "include": [
      "wwwroot","**/*.cshtml","appsettings.json","web.config"
    ]
  },"scripts": {
    "prepublish": [ "bower install","dotnet bundle" ],"postpublish": [ "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%" ]
  }
}

作为一个注释,我试图将我的dbContext项目配置为.netcore应用程序,以尝试使迁移工作.我得到同样的错误.我目前已将这些更改还原,现在将dbContext项目设置为.net标准.

这是我的dbContext项目设置：

{
    "version": "1.0.0-*","dependencies": {
        "Microsoft.EntityFrameworkCore.SqlServer": "1.0.1","NETStandard.Library": "1.6.0"
    },"tools": {
        "Microsoft.EntityFrameworkCore.Tools": "1.0.0-preview2-final"
    },"frameworks": {
        "netstandard1.6": {}
    }
}

我想我也应该说我可以完全运行DbContext.我已经在数据库上运行迁移,实际上可以访问数据.