private void btnBC_Click(object sender, EventArgs e) { frmLapBaoCaoDoanhThu BC = new frmLapBaoCaoDoanhThu(); BC.ShowDialog(); }
private void LapBaoCaoThangToolStripMenuItem_Click(object sender, EventArgs e) { frmLapBaoCaoDoanhThu child = new frmLapBaoCaoDoanhThu(); child.MdiParent = this; child.Show(); }