private void book_button_Click(object sender, EventArgs e) { var bf = new BookingForm(); bf.Date = monthCalendar.SelectionStart; bf.Time = (String)dataGridView["tid", dataGridView.CurrentRow.Index].Value; var data = dataGridView["spelare_1", dataGridView.CurrentRow.Index].Value; if (!System.DBNull.Value.Equals(data)) { bf.Player_1 = (String)data; } data = dataGridView["spelare_2", dataGridView.CurrentRow.Index].Value; if (!System.DBNull.Value.Equals(data)) { bf.Player_2 = (String)data; } data = dataGridView["spelare_3", dataGridView.CurrentRow.Index].Value; if (!System.DBNull.Value.Equals(data)) { bf.Player_3 = (String)data; } data = dataGridView["spelare_4", dataGridView.CurrentRow.Index].Value; if (!System.DBNull.Value.Equals(data)) { bf.Player_4 = (String)data; } bf.ShowDialog(); UpdateTable(); }