IIS 注册Asp.net 4.0
32位的Windows:
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1. 运行->cmd
2. cd C:\Windows\Microsoft.NET\Framework\v4.0.30319
3. aspnet_regiis.exe -i
64位的Windows:
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1. 运行->cmd
2. cd C:\Windows\Microsoft.NET\Framework64\v4.0.30319
3. aspnet_regiis.exe -i