private void button6_Click(object sender, EventArgs e)
        {
            DateTime seasonStart = dtSeasonStart.Value;
            DateTime seasonEnd   = dtSeasonEnd.Value;

            DataSet ds_season = broker.ReturnSeasonSettings();
            int     rowCount  = ds_season.Tables[0].Rows.Count;
            int     result    = 0;

            if (rowCount == 1)
            {
                result = broker.UpdateSeasonSettings(seasonStart, seasonEnd);
            }
            else
            {
                result = broker.AddSeasonSettings(seasonStart, seasonEnd);
            }

            if (result != 13)
            {
                MessageBox.Show("New season settings saved!");
            }
            else
            {
                MessageBox.Show("Error while saving settings! ", "ERROR!", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

            RefreshSeasonSettings();
        }