您可以使用的 的Process.Start 方式：

 的Process.Start（
    @C：\\ WINDOWS \\ Microsoft.NET \\框架\\ v4.0.30319 \\ ASPNET_REGIIS.EXE
    @ -  PDF格式连接字符串C：\\用户\\ XXX \\桌面\\连接字符串\\ DNN
）;
 

如果你想在外壳更多的控制权，并能够捕捉到例如标准输出和错误，你可以使用的 过载 采取的ProcessStartInfo ：

  VAR PSI =新的ProcessStartInfo（@C：\\ WINDOWS \\ Microsoft.NET \\框架\\ v4.0.30319 \\ ASPNET_REGIIS.EXE）
{
    参数= @ -  PDF格式连接字符串C：\\用户\\ XXX \\桌面\\连接字符串\\ DNN
    UseShellExecute =假，
    CreateNoWindow =真
};
的Process.Start（PSI）;
 

I'm using this code run in windows command promt.. But I need this done programatically using c# code please help

C:\Windows\Microsoft.NET\Framework\v4.0.30319>aspnet_regiis.exe -pdf "connection Strings" "C:\Users\XXX\Desktop\connection string\DNN"

You may use the Process.Start method:

Process.Start(
    @"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe",
    @"-pdf ""connection Strings"" ""C:\Users\XXX\Desktop\connection string\DNN"""
);

or if you want more control over the shell and be able to capture for example the standard output and error you could use the overload taking a ProcessStartInfo:

var psi = new ProcessStartInfo(@"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe")
{
    Arguments = @"-pdf ""connection Strings"" ""C:\Users\XXX\Desktop\connection string\DNN""",
    UseShellExecute = false,
    CreateNoWindow = true
};
Process.Start(psi);