Helpers.GetUpdateInformation C# (CSharp) Method

    public static UpdateInformationResponse GetUpdateInformation(string userAgent)
    {
        return GetUpdateInformation(userAgent, null, 0);
    }

    protected void Page_Load(object sender, EventArgs e)
    {
        string userAgentText;
        bool   runFromChecker = false;

        userAgent.Text = HttpUtility.HtmlEncode(Request.UserAgent);

        if (Request.QueryString["realversion"] != null)
        {
            userAgentText  = this.Request.QueryString["realversion"];
            runFromChecker = true;
        }
        else
        {
            userAgentText = this.Request.UserAgent;
        }

        UpdateInformationResponse response = Helpers.GetUpdateInformation(userAgentText, this.Request.Browser.ClrVersion);

        userResult.Text      = response.Text;
        developerOnline.Text = String.Format(@"If your users have internet connectivity, the .NET Framework is only between {1} and {2} megs. Why such a wide range? Well, it depends on if they already have some version of .NET.
         If you point your users to the online setup for the {0}, that {3} MB download will automatically detect and download the smallest archive possible to get the job done.", Constants.DotNetOnline, Constants.DotNetOfflineMB - Constants.Version3OfflineMB, Constants.DotNetOfflineMB, Constants.DotNetOnlineMB);

        developerOfflineResult.Text = String.Format(@"If you are a developer and are distributing your code on CD or DVD, you might want to download the 
         {0} on your media. The download is about {1} MB", Constants.DotNetOffline, Constants.DotNetOfflineMB);
        getdotnet.Visible           = response.VersionCanBeDetermined;
        checkdotnet.Visible         = response.CanRunCheckApp;

        // Hide the 4.5 checker section if
        // (a) we can't determine the dotnet version or
        // (b) we're on an OS that doesn't support .Net or
        // (c) the user has already run the checker so we know exactly what version they're on.
        // Note that the checkdotnet section in the header will still be displayed as long as the OS supports it
        dotnet45.Visible = response.VersionCanBeDetermined && response.CanRunCheckApp && !runFromChecker;
    }