how to find dot net version installed

how to find dot net version installed


Step 1)  Add NameSpace Microsoft.Win32


Step 2)  How to find dot net version installed

void Get_dotnet_version()
        {
        Console.WriteLine();
        Console.WriteLine();
        try
        {
        RegistryKey key = Registry.LocalMachine;
        //HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework
        RegistryKey dotnetkey = key.OpenSubKey(@"SOFTWARE\Microsoft\.NETFramework\", RegistryKeyPermissionCheck.Default,System.Security.AccessControl.RegistryRights.FullControl);
        System.Text.StringBuilder sb = new StringBuilder();
        foreach (String NameValue in dotnetkey.GetSubKeyNames())
        {
        //if("DbgManagedDebugger"!=NameValue)
        Console.WriteLine("{0}", NameValue);//, dotnetkey.GetValue(NameValue).ToString().Replace("\""," ").Replace("%"," "));
        //sb.Append(NameValue + " ") ;//+ dotnetkey.GetValue(NameValue).ToString());
        //sb.AppendLine();
        }
        }
        catch (Exception ex)
        {
        Console.WriteLine(ex.Message);
        }


Output

AssemblyFolders
Fusion
NGen
NGenQueue
Policy
Security
v1.0
v2.0.50727
v3.0
v3.5
v4.0.30319
v4.5.50709
Windows Presentation Foundation