Reinstall the. NET environment and fix IIS

One day, I suddenly wanted to install vs2008. After installing vs2008, I found that IIS was not installed and I installed IIS again. But now I found that no ASP. NET 2.0 is available ....
No, I searched the following answers online.

To fix IIS ing for Asp.net, run the aspnet_regiis.exe utility:
1. Click start and then click Run ".
2. In the open box, type cmd and press Enter.
3. type the following content at the command prompt, and then press Enter:
"% WinDir % \ microsoft.net \ framework \Version\ Aspnet_regiis.exe "-I
In this path, version indicates the. NET Framework version installed on the server. When you type this command, you must replace this placeholder with the actual version number.