Can't Install Entity Framework via NuGet

Question

I am in a new ASP.NET MVC 4 project and I want to make use of Entity Framework v5.

So I opened up my package installer console in Visual Studio 2013 RC and I typed in the following:

Install-Package EntityFramework -Version 5.0.0

But I get an error! Here is what I get:

Entity Framework install error via NuGet

What can be causing this? I'm confused.

You have to remove EF6 first. The easiest way to do this is with the package manager. The MVC 4 project template added it as a Nuget package. — Gert Arnold
– Gert Arnold, Commented Oct 10, 2013 at 22:09
Thanks Gert, can you reply so that I mark yours as answer. NuGet was attempting to install in the project that was already referencing the latest EF dll — J86
– J86, Commented Oct 11, 2013 at 13:26

Gert Arnold · Accepted Answer · 2013-10-11 20:31:12Z

4

The message says that you can't upgrade EF6 to EF5. This tells you that EF6 is already installed. The only way to downgrade to EF5 is to remove EF6 first and then install the EF5 NuGet package.

The easiest way to remove a Nuget package is through the Visual Studio menu, Tools > Library Package Manager > Manage NuGet Packages for Solution...

answered Oct 11, 2013 at 20:31

Gert Arnold

110k36 gold badges218 silver badges319 bronze badges

Sign up to request clarification or add additional context in comments.

Comments

ramesha · Accepted Answer · 2015-02-11 10:18:35Z

1

Open the VS 2013 Go to TOOLS=>NuGet Package Manager=>Package Manage Console. Copy and paste the below code and enter PM>Install-Package EntityFramework

answered Feb 11, 2015 at 10:18

ramesha

111 bronze badge

Comments

ahmed.eltawil · Accepted Answer · 2013-10-10 14:57:12Z

0

Right click the project you want to install EF v5 in, and click on Manage NuGet Packages. Search for "Entity Framework" and select it to install it. This simply another way to install NuGet packages but it could possibly work as opposed to typing it into the console.

Also, if this doesn't help, try it again after launching Visual Studio in Administrator mode.

answered Oct 10, 2013 at 14:57

ahmed.eltawil

5715 silver badges19 bronze badges

Collectives™ on Stack Overflow

Can't Install Entity Framework via NuGet

3 Answers 3

Comments

Comments

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

3 Answers 3

Comments

Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Related