private void btnMatHang_Click(object sender, EventArgs e) { frmMatHang ds = new frmMatHang(); this.Hide(); // đóng form cũ lại ds.Show(); }
private void ItemMnuDanhMuc_HANGHOA_Click(object sender, EventArgs e) { frmMatHang callForm = new frmMatHang(); callForm.ShowDialog(); }