private void btnAdd_Click(object sender, EventArgs e)
{
add_editNVForm add = new add_editNVForm(new NhanVien(), DatabaseConnection.ADD);
add.ShowDialog();
load();
}
private void btnEdit_Click(object sender, EventArgs e)
{
selected.Ten = dataGridView1.CurrentRow.Cells[0].Value.ToString();
selected.ViTri1 = dataGridView1.CurrentRow.Cells[1].Value.ToString();
selected.MaNV1 = dataGridView1.CurrentRow.Cells[2].Value.ToString();
selected.MatKhau1 = dataGridView1.CurrentRow.Cells[3].Value.ToString();
add_editNVForm edit = new add_editNVForm(selected, DatabaseConnection.EDIT);
edit.ShowDialog();
load();
}