How to detect IIS version using C#?

Question

How to detect IIS version using C#?

Update: I meant from a winapp (actually the scenario is developing a custom installer that wants to check the version of the inst

Answer 1

This is how i do it.

FileVersionInfo verinfo = FileVersionInfo.GetVersionInfo(System.Environment.SystemDirectory + @"\inetsrv\inetinfo.exe");

//Tip... look at verinfo.MajorVersion.

Answer 2

I would just check the version of the OS: xp has IIS 5.1, Server 2003 has IIS 6 and vista/Server 2008 has IIS 7.

Here's how to check the version of the OS.

Answer 3

For installer with custom actions: In your custom action view, you can pass data to your customer installer class via the "CustomActionData" attribute in the properties for the custom action as follows: /iisv="[IISVERSION]"

Check:

http://johnbarshinger.wordpress.com/2006/10/27/how-to-modify-the-vs2005-installer-to-set-the-asp-net-version-and-create-application-pools/

Answer 4

In .NET 4.5

HttpRuntime.IISVersion

Answer 5

You can use below code

public static bool IisInstalled()
        {
            try
            {
                using (RegistryKey iisKey = Registry.LocalMachine.OpenSubKey(@"Software\Microsoft\InetStp"))
                {
                    return (int)iisKey.GetValue("MajorVersion") >= 6;
                }
            }
            catch
            {
                return false;
            }
        }

fore more information visit : http://www.java2s.com/Code/CSharp/Windows/IIShelperisIISInstalledIISstateIISversion.htm