private void traCuuChuyenBayToolStripMenuItem_Click(object sender, EventArgs e) { frmTraCuuChuyenBay frm = new frmTraCuuChuyenBay(); if (!CheckExistForm(frm)) { CreateTabPage(frm); } else { ActiveChildForm(frm); } }
private void btnTraCuu_Click(object sender, EventArgs e) { Form frm = new frmTraCuuChuyenBay(cboMaChuyenBay); frm.Show(); }