Nuget error - Unable to add reference to Ext.Net

[quarkon]

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I would like to evaluate Ext.NET if can be useful in our project. There is not a problem to get the proper packages for MVC5 by Nuget but only for the new projects. When I want to install the packages in existing one (having already structure, BL, DAL, etc) it finishes with error ?Failed to add reference to ?Ext.Net?. I found some stack exchange answer done by you specialist in thread http://stackoverflow.com/questions/2...nstall-package but reinstalling changes nothing.

I suspect that my existing project has some specific web.config. All dependencies are installed ok including Ext.Net.Utillities and Transformer.NET but Ext.Net.MVC (or Ext.Net.MVC5) is rolling back. The same if I try to add manually reference to the project. I tried even to copy all the changes generated from the empty project but if failed as well.

We use VS2012pro, MVC5. It looks to me that during adding the reference you are checking some conditions (licensing?)?

Any idea?

[Vladimir]

What .NET version is used in your project?

[quarkon]

It is done in .NET 4.5 MVC5

[Daniil]

The same if I try to add manually reference to the project.

Could you, please, clarify what exactly "the same" happens if you add the Ext.NET dlls manually?

it finishes with error ?Failed to add reference to ?Ext.Net?.

Please post the screenshot how it looks like.

[quarkon]

Yesterday I discovered the problem with .net framework & VS2012 installation on my virtual machine while working on different project. After reinstalling them today I wanted to post the screenshots as you requested but ... this time installation was successful!.
Honestly, I do not know what was the root cause.

[Daniil]

It is nice to hear that the problem is gone. Yes, it is hard to say what exactly was the reason. Sometimes such things happen with the software.