下载：https://files.cnblogs.com/wujm/clrconfig.rar

How to install

1. Download the CLRconfigSchema.zip file from the link above
    
2. For Visual Studio .NET 2002 unzip the contents of the zip file into
   

   C:\Program Files\Microsoft Visual Studio .NET\Common7\Packages\
   schemas\xml

3. For Visual Studio .NET 2003 unzip the contents of the zip file into
   

   C:\Program Files\Microsoft Visual Studio .NET 2003\Common7\Packages\
   schemas\xml

4. Open Web.config or App.config in Visual Studio .NET
    
5. View the properties for the document
    
6. Select .NET Configuration File from the list for the targetSchema property

   

7. Edit Web.config or App.config
   
   
    
8. Remember to remove the xmlns attribute from the <configuration> element when you have finished editing your Web.config file!