private void Load_Data_PhieuNhap()
{
PhieuNhapBLL nhapBLL = new PhieuNhapBLL();
grvPhieuNhap.DataSource = nhapBLL.GetData(cbx_IDPHIEUN.Text);
cbx_IDNCCN.Enabled = false;
cbx_IDHANGPN.Enabled = false;
txtTenHangPN.Enabled = false;
txtDTV.Enabled = false;
txtLuongNhap.Enabled = false;
txtGiaNhapPN.Enabled = false;
txtThanhTienPN.Enabled = false;
cbx_IDNhanVienPN.Enabled = false;
}
