如何在VS 2015 RC中获得EF 5的beta？ Beta 5是在17天前发布的，但我仍然无法使用它？
我尝试了Install-Package EntityFramework.Core-Pre，它现在认为beta 5是NuGet管理器中的版本，但是当我输入时：
PM＆GT; dnu恢复
我明白了：
Microsoft .NET Development Utility CLR-x86-1.0.0-beta5-12103
Restoring packages for C:\Users\tuppe\Documents\Visual Studio 2015\Projects\AngularProject\src\AngularProject\project.json
CACHE https://api.nuget.org/v3/index.json
CACHE https://www.nuget.org/api/v2/
GET https://nugetapiapps.blob.core.windows.net/ngx/entityframework/index.json
CACHE https://www.nuget.org/api/v2/FindPackagesById()?id='EntityFramework'
GET https://nugetapiapps.blob.core.windows.net/ngx/system.runtime/index.json
CACHE https://www.nuget.org/api/v2/FindPackagesById()?id='System.Runtime'
CACHE https://www.nuget.org/api/v2/package/System.Runtime/4.0.0-beta-23019
GET https://nugetapiapps.blob.core.windows.net/ngx/system.text.encoding/index.json
GET https://www.nuget.org/api/v2/FindPackagesById()?id='System.Text.Encoding'
GET https://nugetapiapps.blob.core.windows.net/ngx/system.globalization/index.json
CACHE https://www.nuget.org/api/v2/FindPackagesById()?id='System.Globalization'
CACHE https://www.nuget.org/api/v2/package/System.Globalization/4.0.0-beta-23019
GET https://nugetapiapps.blob.core.windows.net/ngx/system.runtime.interopservices/index.json
CACHE https://www.nuget.org/api/v2/FindPackagesById()?id='System.Runtime.InteropServices'
CACHE https://www.nuget.org/api/v2/package/System.Runtime.InteropServices/4.0.0-beta-23019
GET https://nugetapiapps.blob.core.windows.net/ngx/system.threading.tasks/index.json
CACHE https://www.nuget.org/api/v2/FindPackagesById()?id='System.Threading.Tasks'
CACHE https://www.nuget.org/api/v2/package/System.Threading.Tasks/4.0.0-beta-23019
GET https://nugetapiapps.blob.core.windows.net/ngx/system.io/index.json
CACHE https://www.nuget.org/api/v2/FindPackagesById()?id='System.IO'
CACHE https://www.nuget.org/api/v2/package/System.IO/4.0.0-beta-23019
GET https://nugetapiapps.blob.core.windows.net/ngx/system.reflection/index.json
CACHE https://www.nuget.org/api/v2/FindPackagesById()?id='System.Reflection'
CACHE https://www.nuget.org/api/v2/package/System.Reflection/4.0.0-beta-23019
GET https://nugetapiapps.blob.core.windows.net/ngx/system.collections/index.json
CACHE https://www.nuget.org/api/v2/FindPackagesById()?id='System.Collections'
CACHE https://www.nuget.org/api/v2/package/System.Collections/4.0.0-beta-23019
GET https://nugetapiapps.blob.core.windows.net/ngx/system.runtime.extensions/index.json
CACHE https://www.nuget.org/api/v2/FindPackagesById()?id='System.Runtime.Extensions'
CACHE https://www.nuget.org/api/v2/package/System.Runtime.Extensions/4.0.0-beta-23019
GET https://nugetapiapps.blob.core.windows.net/ngx/system.linq.expressions/index.json
GET https://www.nuget.org/api/v2/FindPackagesById()?id='System.Linq.Expressions'
GET https://nugetapiapps.blob.core.windows.net/ngx/system.threading/index.json
CACHE https://www.nuget.org/api/v2/FindPackagesById()?id='System.Threading'
CACHE https://www.nuget.org/api/v2/package/System.Threading/4.0.0-beta-23019
GET https://nugetapiapps.blob.core.windows.net/ngx/system.diagnostics.debug/index.json
CACHE https://www.nuget.org/api/v2/FindPackagesById()?id='System.Diagnostics.Debug'
CACHE https://www.nuget.org/api/v2/package/System.Diagnostics.Debug/4.0.0-beta-23019
GET https://nugetapiapps.blob.core.windows.net/ngx/system.collections.concurrent/index.json
CACHE https://www.nuget.org/api/v2/FindPackagesById()?id='System.Collections.Concurrent'
CACHE https://www.nuget.org/api/v2/package/System.Collections.Concurrent/4.0.0-beta-23019
GET https://nugetapiapps.blob.core.windows.net/ngx/system.threading.threadpool/index.json
CACHE https://www.nuget.org/api/v2/FindPackagesById()?id='System.Threading.ThreadPool'
OK https://nugetapiapps.blob.core.windows.net/ngx/entityframework/index.json 683ms
OK https://nugetapiapps.blob.core.windows.net/ngx/system.globalization/index.json 496ms
OK https://nugetapiapps.blob.core.windows.net/ngx/system.threading.tasks/index.json 493ms
OK https://nugetapiapps.blob.core.windows.net/ngx/system.reflection/index.json 487ms
OK https://nugetapiapps.blob.core.windows.net/ngx/system.text.encoding/index.json 517ms
OK https://nugetapiapps.blob.core.windows.net/ngx/system.io/index.json 493ms
GET https://nugetapiapps.blob.core.windows.net/ngx/system.text.encoding/4.0.0-beta-23019/system.text.encoding.4.0.0-beta-23019.nupkg
OK https://nugetapiapps.blob.core.windows.net/ngx/system.linq.expressions/index.json 487ms
GET https://nugetapiapps.blob.core.windows.net/ngx/system.linq.expressions/4.0.0-beta-23019/system.linq.expressions.4.0.0-beta-23019.nupkg
OK https://nugetapiapps.blob.core.windows.net/ngx/system.runtime/index.json 584ms
OK https://nugetapiapps.blob.core.windows.net/ngx/system.collections/index.json 539ms
OK https://nugetapiapps.blob.core.windows.net/ngx/system.collections.concurrent/index.json 498ms
OK https://nugetapiapps.blob.core.windows.net/ngx/system.threading/index.json 539ms
OK https://nugetapiapps.blob.core.windows.net/ngx/system.runtime.interopservices/index.json 577ms
OK https://nugetapiapps.blob.core.windows.net/ngx/system.runtime.extensions/index.json 578ms
OK https://nugetapiapps.blob.core.windows.net/ngx/system.threading.threadpool/index.json 508ms
CACHE https://www.nuget.org/api/v2/package/System.Threading.ThreadPool/4.0.10-beta-22231
OK https://www.nuget.org/api/v2/FindPackagesById()?id='System.Linq.Expressions' 607ms
OK https://www.nuget.org/api/v2/FindPackagesById()?id='System.Text.Encoding' 678ms
OK https://nugetapiapps.blob.core.windows.net/ngx/system.diagnostics.debug/index.json 841ms
OK https://nugetapiapps.blob.core.windows.net/ngx/system.text.encoding/4.0.0-beta-23019/system.text.encoding.4.0.0-beta-23019.nupkg 439ms
OK https://nugetapiapps.blob.core.windows.net/ngx/system.linq.expressions/4.0.0-beta-23019/system.linq.expressions.4.0.0-beta-23019.nupkg 450ms
dnu : Unable to locate EntityFramework >= 7.0.0-beta5
At line:1 char:1
•dnu restore
•~~~~~~~~~~~ ◦CategoryInfo : NotSpecified: (Unable to locat... >= 7.0.0-beta5:String) [], RemoteException
◦FullyQualifiedErrorId : NativeCommandError
Writing lock file C:\Users\tuppe\Documents\Visual Studio 2015\Projects\AngularProject\src\AngularProject\project.lock.json
Restore complete, 2791ms elapsed
Errors in C:\Users\tuppe\Documents\Visual Studio 2015\Projects\AngularProject\src\AngularProject\project.json
Unable to locate
EntityFramework
= 7.0.0-beta5
看来测试版5还没有在NuGet上发布，但它已经发布了，我该怎么做呢？