private void addFlightsToolStripMenuItem_Click(object sender, EventArgs e) { frmAddEditFlight Flights = new frmAddEditFlight(-1); Flights.MdiParent = this; Flights.Visible = true; }
private void btnUpdate_Click(object sender, EventArgs e) { frmAddEditFlight Edit = new frmAddEditFlight(Convert.ToInt32(lstFlights.SelectedValue)); Edit.Visible = true; }