System.Web assembly is not found on .net 4.0 version

c# .net c#-4.0 system.web
The Mask picture The Mask · Oct 8, 2011 · Viewed 20.4k times · Source

I updated .NET from 3.5 to 4.0 version, but after updating the assembly System.Web doesn't work any more.

I'm getting the following error:

Warning 1 Could not resolve assembly "System.Web". The assembly is not in the currently targeted framework ".NETFramework,Version=v4.0,Profile=Client". Please remove references to assemblies not in the targeted framework or consider retargeting your project.

Using the 3.5 version it works fine. How can I fix this?

Answer

Muhammad Hasan Khan picture Muhammad Hasan Khan · Oct 8, 2011

Change the project from ClientProfile to full .NET 4.0

The .NET Framework 4 Client Profile is a subset of the .NET Framework 4 that is optimized for client applications. It provides functionality for most client applications, including Windows Presentation Foundation (WPF), Windows Forms, Windows Communication Foundation (WCF), and ClickOnce features. This enables faster deployment and a smaller install package for applications that target the .NET Framework 4 Client Profile.

See Differences between Microsoft .NET 4.0 full Framework and Client Profile

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