private void btnPurchasing_Click(object sender, EventArgs e) { lblTitle.Text = "Purchasing Order"; this.pnlFormLoader.Controls.Clear(); frmPurchasing frmPurchase_vrb = new frmPurchasing() { Dock = DockStyle.Fill, TopLevel = false, TopMost = true }; frmPurchase_vrb.FormBorderStyle = FormBorderStyle.None; this.pnlFormLoader.Controls.Add(frmPurchase_vrb); frmPurchase_vrb.Show(); }
private void btnSelectFlight_Click(object sender, EventArgs e) { if (dgvFlights.DataSource == null || dgvFlights.Rows.Count == 0) //To avoid exception when user clicks button and no selection is made { //or the Data Source is empty. MessageBox.Show("Please select a flight first."); return; } else if (coachSeats == 0 && firstClassSeats == 0) //This helps me stop the user from trying to book a sold out flight. No overselling in this airline. { MessageBox.Show("Sorry, there are no more seats in this flight. Please try another"); return; } frmPurchasing frmPurchase = new frmPurchasing(); frmPurchase.ShowDialog(); }