private void searchAndSelectCustomerMenuItem_Click(object sender, EventArgs e) { if (searchAndSelectForm == null || searchAndSelectForm.IsDisposed) { searchAndSelectForm = new Form_TimKiemVaChonKhachHang(); searchAndSelectForm.MdiParent = this; searchAndSelectForm.Show(); } else { searchAndSelectForm.Activate(); } }
private void searchAndSelectCustomerMenuItem_Click(object sender, EventArgs e) { Form_TimKiemVaChonKhachHang searchAndSelectForm = new Form_TimKiemVaChonKhachHang(); searchAndSelectForm.MdiParent = this; searchAndSelectForm.Show(); }