public void HienThi()
{
dgvKhachHang.DataSource = kh.HienThiKhachHang();
for (int i = 0; i < dgvKhachHang.RowCount; i++)
{
dgvKhachHang.Rows[i].Cells[0].Value = (i + 1).ToString();
}
dgvSanPham.DataSource = sp.HienThiSP_LH();
}
public void HienThiDGV()
{
dgvKhachHang.DataSource = kh.HienThiKhachHang();
int i = 0;
while (i < dgvKhachHang.Rows.Count - 1)
{
dgvKhachHang.Rows[i].Cells[0].Value = (i + 1).ToString();
i++;
}
}