oh.. finally now I can change my default .Net version 1 to 2

Oh, finally I found the solution, now I can change default .Net Version 1 when I installed IIS 6 in win2k3 to .Net version 2.xx

it is simple, just run the command from prompt and all my iis website will default use my new .Net

C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727>Aspnet_regiis.exe -i
Start installing ASP.NET (2.0.50727).
......................................................
Finished installing ASP.NET (2.0.50727).