title: Could not load file or assembly 'Microsoft.EntityFrameworkCore.SqlServer, Version=1.1.0.0' after upgrading to 1.1.0
body: <p>I have a Asp.Net Core project targeting .NET 462 and it was working with Asp.Net Core version 1.0.1. After upgrading to "1.1.0" I got this error:</p>
  
  <blockquote>
    <p>FileLoadException: Could not load file or assembly
    'Microsoft.EntityFrameworkCore.SqlServer, Version=1.1.0.0,
    Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its
    dependencies. The located assembly's manifest definition does not
    match the assembly reference. (Exception from HRESULT: 0x80131040)</p>
  </blockquote>
  
  <p>project.json</p>
  
  <pre><code>"dependencies": {
      "AspNet.Mvc.TypedRouting": "1.2.0",
      "AutoMapper": "5.1.1",
      "AutoMapper.Extensions.Microsoft.DependencyInjection": "1.1.2",
      "BundlerMinifier.Core": "2.2.306",
      "JetBrains.Annotations": "10.2.1",
      "libphonenumber-csharp": "7.7.4",
      "Microsoft.AspNetCore.Authentication.Cookies": "1.1.0",
      "Microsoft.AspNetCore.Authentication.Facebook": "1.1.0",
      "Microsoft.AspNetCore.Authentication.Google": "1.1.0",
      "Microsoft.AspNetCore.Authentication.MicrosoftAccount": "1.1.0",
      "Microsoft.AspNetCore.Authentication.OpenIdConnect": "1.1.0",
      "Microsoft.AspNetCore.Authentication.Twitter": "1.1.0",
      "Microsoft.AspNetCore.Diagnostics": "1.1.0",
      "Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore": "1.1.0",
      "Microsoft.AspNetCore.Identity.EntityFrameworkCore": "1.1.0",
      "Microsoft.AspNetCore.Mvc": "1.1.0",
      "Microsoft.AspNetCore.Razor.Tools": "1.1.0-preview4-final",
      "Microsoft.AspNetCore.Server.IISIntegration": "1.1.0",
      "Microsoft.AspNetCore.Server.Kestrel": "1.1.0",
      "Microsoft.AspNetCore.Server.Kestrel.Https": "1.1.0",
      "Microsoft.AspNetCore.Session": "1.1.0",
      "Microsoft.AspNetCore.StaticFiles": "1.1.0",
      "Microsoft.EntityFrameworkCore": "1.1.0",
      "Microsoft.EntityFrameworkCore.SqlServer": "1.1.0",
      "Microsoft.EntityFrameworkCore.Tools": "1.1.0-preview4-final",
      "Microsoft.Extensions.Configuration": "1.1.0",
      "Microsoft.Extensions.Configuration.Abstractions": "1.1.0",
      "Microsoft.Extensions.Configuration.CommandLine": "1.1.0",
      "Microsoft.Extensions.Configuration.EnvironmentVariables": "1.1.0",
      "Microsoft.Extensions.Configuration.Json": "1.1.0",
      "Microsoft.Extensions.Configuration.UserSecrets": "1.1.0",
      "Microsoft.Extensions.Logging": "1.1.0",
      "Microsoft.Extensions.Logging.Console": "1.1.0",
      "Microsoft.Extensions.Logging.Debug": "1.1.0",
      "Microsoft.Extensions.Options.ConfigurationExtensions": "1.1.0",
      "Microsoft.VisualStudio.Web.BrowserLink.Loader": "14.1.0",
      "Microsoft.VisualStudio.Web.CodeGenerators.Mvc": "1.1.0-preview4-final",
      "MotleyFlash": "0.3.0",
      "MotleyFlash.AspNetCore.MessageProviders": "0.2.0",
      "MotleyFlash.AspNetCore.ViewHelpers": "0.2.0",
      "SendGrid.NetCore": "1.0.0-rtm-00002",
      "System.Interactive.Async": "3.1.0",
      "Twilio": "4.7.2"
  },
  "frameworks": {
      "net462": {
          "dependencies": {
              "TaxiGun.Server.IdentityServer.Data": {
                  "target": "project"
              },
              "TaxiGun.Server.Services": {
                  "target": "project"
              }
          }
      }
  },
  </code></pre>
  
  <p>When I take a look at on build output folder, I can see all the libraries in a proper version except "Microsoft.EntityFrameworkCore.SqlServer":
  <a href="https://i.stack.imgur.com/tbO39.png" rel="noreferrer"><img src="https://i.stack.imgur.com/tbO39.png" alt="Microsoft.EntityFrameworkCore.SqlServer"></a></p>
  
  <p>I think it is causing the problem. But I just can not figure out why the version is wrong? Is it because the nuget package has a wrong version inside?</p>