private void Send_Click(object sender, RoutedEventArgs e)
        {
            Feedback feedback = new Feedback();

            Grade softGrade     = Grade.veryPoor;
            int   ocenaSoftvera = (int)OcenaSoftvera.Value;

            if (ocenaSoftvera == 1)
            {
                softGrade = Grade.veryPoor;
            }
            else if (ocenaSoftvera == 2)
            {
                softGrade = Grade.poor;
            }
            else if (ocenaSoftvera == 3)
            {
                softGrade = Grade.good;
            }
            else if (ocenaSoftvera == 4)
            {
                softGrade = Grade.good;
            }
            else if (ocenaSoftvera == 5)
            {
                softGrade = Grade.excellent;
            }

            Grade snalazenje      = Grade.veryPoor;
            int   ocenaSnalazenja = (int)Raspored.Value;;

            if (ocenaSnalazenja == 1)
            {
                snalazenje = Grade.veryPoor;
            }
            else if (ocenaSnalazenja == 2)
            {
                snalazenje = Grade.poor;
            }
            else if (ocenaSnalazenja == 3)
            {
                snalazenje = Grade.good;
            }
            else if (ocenaSnalazenja == 4)
            {
                snalazenje = Grade.good;
            }
            else if (ocenaSnalazenja == 5)
            {
                snalazenje = Grade.excellent;
            }

            feedback.SoftwareGrade         = softGrade;
            feedback.EverythingInGoodPlace = snalazenje;
            feedback.AdditionalNotes       = Boksic.Text;
            feedback.Date           = DateTime.Today;
            feedback.RegisteredUser = (RegisteredUser)MainWindow.doctor;
            feedbackController.CreateFeedback(feedback);
            forma.Visibility  = Visibility.Collapsed;
            second.Visibility = Visibility.Visible;
        }