List<string> versions;
        using (var database = new Database(session["SOURCEDIR"] + session["ProductName"] + ".msi", DatabaseOpenMode.Direct))
        {

            database.Export("File", @"C:Tempfile.txt");
            versions = FilesHandler.GetVersionsOfFeatures(new List<string> { "service1.exe",
                "service2.exe", "service3.exe", });
        }

        session["service1"] = versions[0];
        session["service2"] = versions[1];
        session["service3"] = versions[2];