出现错误“当前'targetFramework'属性引用的版本比.NET Framework的已安装版本晚". [英] Getting Error "The 'targetFramework' attribute currently references a version that is later than the installed version of the .NET Framework"

问题描述

我已经在IIS7服务器上发布了ASP.NET Web API.当我在本地测试时.我在下面看到一个框架错误:

I've published an ASP.NET Web API on IIS7 server. When I'm testing it locally. I get a framework error below:

配置错误

说明:在处理 服务此请求所需的配置文件.请查看 下面的特定错误详细信息并修改您的配置文件 适当地.

Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

解析器错误消息: Web.config文件的<compilation>元素仅用于定位 .NET Framework 4.0版和更高版本(例如， '<compilation targetFramework="4.0">'). "targetFramework" 属性当前引用的版本晚于 .NET Framework的已安装版本.指定有效的目标 .NET Framework版本，或安装所需版本的.NET Framework. .NET Framework.

Parser Error Message: The 'targetFramework' attribute in the <compilation> element of the Web.config file is used only to target version 4.0 and later of the .NET Framework (for example, '<compilation targetFramework="4.0">'). The 'targetFramework' attribute currently references a version that is later than the installed version of the .NET Framework. Specify a valid target version of the .NET Framework, or install the required version of the .NET Framework.

源错误:

第20行:</appSettings>
第21行:<system.web>
第22行:<compilation targetFramework="4.5" />
第23行:<httpRuntime targetFramework="4.5" />
第24行:<authentication mode="None" />

Line 20: </appSettings>
Line 21: <system.web>
Line 22: <compilation targetFramework="4.5" />
Line 23: <httpRuntime targetFramework="4.5" />
Line 24: <authentication mode="None" />

我不太清楚这是怎么回事，因为我有一个使用Framework 4.0在服务器上运行的ASP.NET网站.

I'm not quite sure what it is wrong as I have an ASP.NET website running on the server using framework 4.0.

推荐答案

从

Download .net 4.5 from here after successfully installation run command prompt(as administrator) and locate to this address :

％windir％\ Microsoft.NET \ Framework \ v4.0.30319

%windir%\Microsoft.NET\Framework\v4.0.30319

现在运行以下命令:

aspnet_regiis -iru

aspnet_regiis -iru

这篇关于出现错误“当前'targetFramework'属性引用的版本比.NET Framework的已安装版本晚".的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！