除了使用win2003 server以外,其它的操作系统都要安装.net framework
2..you cannot use C# to develop activex controls, use C++ instead, but if your client has .NET Framework installed, you can embed Windows Forms Controls, see
Using Windows Forms Controls in Internet Explorer
http://samples.gotdotnet.com/quickstart/winforms/doc/WinFormsIeSourcing.aspx