private void buttonEdit_Click(object sender, EventArgs e)
        {
            try
            {
                Tournaments t = FormMenu.selectedTournament;

                Prize prize = new Prize(
                    int.Parse(textBoxPrizeId.Text),
                    textBoxPrizePlaceName.Text, decimal.Parse(textBoxPriceAmount.Text),
                    double.Parse(textBoxPrizePercentage.Text),
                    FormMenu.selectedTournament);

                Prize.EditPrize(prize);

                MessageBox.Show("Prize has been changed", "Information");

                FormPrize formPrize = (FormPrize)this.Owner;
                formPrize.FormPrize_Load(buttonEdit, e);
                this.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show("Prize cannot be saved. Error Message: " + ex.Message, "Error");
            }
        }