private void mnuBanhang_Click(object sender, EventArgs e) { Frm_BanHang banhang = new Frm_BanHang(); banhang.MdiParent = this; banhang.Show(); }
private void mnuBanHang_Click(object sender, EventArgs e) { Frm_BanHang frmBanHang = new Frm_BanHang(); frmBanHang.ShowDialog(); }