System.Web.Extensions 程序集无法解析-C#/.NET问题

System.Web.Extensions Assembly cannot be resolved(System.Web.Extensions 程序集无法解析)

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问题描述

我正在尝试运行一个 .NET 4.0 控制台应用程序，该应用程序引用了一个姊妹库项目 (Bar.dll)，该项目本身引用了 VS2010 B2 中的 System.Web.Extensions.我目前只对访问 System.Web.Scripting.JavaScriptSerializer 感兴趣.

I am trying to run a .NET 4.0 Console application that references a sister library project (Bar.dll) which itself references System.Web.Extensions in VS2010 B2. I am currently only interested in getting access to System.Web.Scripting.JavaScriptSerializer.

两个项目都引用了 System.Web.Extensions(使用应用程序引用"对话框中.NET"下列出的那个)，但是当我尝试编译/运行应用程序时，编译器会发出声音:

Both projects have references to System.Web.Extensions (using the one listed under ".NET" in the App References dialog), but when I try to compile/run the application, the compiler barks:

C:WindowsMicrosoft.NETFrameworkv4.0.21006Microsoft.Common.targets(1291,9):
warning MSB3253: The referenced assembly "Bar.dll" could not be resolved because it has a dependency on 
"System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
which is not in the currently targeted framework ".NETFramework,Version=v4.0,Profile=Client".

真的吗?这是怎么回事?为什么编译器不与程序集链接?

Seriously? What's going on? Why won't the compiler link with the assembly?

推荐答案

currently targeted framework ".NETFramework,Version=v4.0,Profile=Client".
                                                         ^^^^^^^^^^^^^^

您的目标是客户端配置文件，它不包括 Web 程序集.进入 Project > Properties > Application 并将 Target Framework 更改为.NET Framework 4".

You're targeting the Client Profile, which doesn't include the Web assemblies. Go into Project > Properties > Application and change Target Framework to ".NET Framework 4".

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