private void btnConfirm_Click(object sender, EventArgs e)
        {
            DialogResult dialogResult = MessageBox.Show("Delete this venue?", "Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question);

            if (dialogResult == DialogResult.Yes)
            {
                Venue myVenue = new Venue();
                myVenue.setVenueID(Convert.ToInt32(txtID.Text));
                myVenue.CancelVenue();
                MessageBox.Show("Venue Removed! (Set to unavailable)");
                grpBox.Visible = false;
                loadVenues();
            }
        }