private void ChinhSua_Click(object sender, EventArgs e)
{
ThemNhanViens f = new ThemNhanViens();
//MessageBox.Show(dataGridView1.CurrentRow.Cells["MaNhanVien"].Value.ToString());
f.maNV = dataGridView1.CurrentRow.Cells["MaNhanVien"].Value.ToString();
f.Show();
}
private void Them_Click(object sender, EventArgs e)
{
ThemNhanViens f = new ThemNhanViens();
f.maNV = null;
f.Show();
}