protected void Promeni_Click(object sender, EventArgs e)
        {
            // TODO: Make validation of all input fields
            db = new Database();
            int sex = 1;

            if (rbFemale.Checked)
            {
                sex = 0;
            }



            db.updateKorisnik(Session["UserName"].ToString(),
                              tbName.Text, tbEmail.Text, DateTime.Parse(bDay.Text), sex);
        }
        protected void Promeni_Click(object sender, EventArgs e)
        {
            // TODO: Make validation of all input fields
            db = new Database();
            int sex = 1;
            if (rbFemale.Checked)
                sex = 0;

            db.updateKorisnik(Session["UserName"].ToString(),
                tbName.Text, tbEmail.Text, DateTime.Parse(bDay.Text), sex);
        }