Yes, System.Web.Extensions (in System.Web.Extensions.dll) was already included in the project. Which is why I’m surprised.
Asked by Prisoner ZERO
Check that System.Web.Extensions is in the.net 4 version – there is a 3.5 version as well, but I don’t think it works.
These steps have shown to be effective for me:
Answered by Steffen
Answered by Scott Johnson
From the first Google search result:
As a result, reference System.Web.Extensions.dll.
Answered by Paul
I’m using Visual Studio 2015 and came upon this topic by chance.
Yes, in order to make advantage of
Right-click on references and select Assemblies –> Framework from the context menu.
Then provide your citation.
Answered by Tom Stickel
Answered by Alex Hopkins