private void btnXoa_Click(object sender, EventArgs e)
{
lockControl();
string query = "delete from PHONG where MaPhong = '" + txtMaPhong.Text.Trim() + "'";
DAL.sqlConnect conn = new DAL.sqlConnect();
conn.execNonQuery(query);
}
private void btnXoa_Click(object sender, EventArgs e)
{
string query = "delete from CHUCVU where MaChucVu = '" + txtMaCV.Text.Trim() + "'";
DAL.sqlConnect conn = new DAL.sqlConnect();
conn.execNonQuery(query);
lockControl();
}