private void EditSanPham_GUI_Load(object sender, EventArgs e)
{
cbNCC.DataSource = ncc.loadNCC();
cbNCC.DisplayMember = "TenNCC";
cbNCC.ValueMember = "MaNCC";
cbLoai.DataSource = lsp.loadLoaiSP();
cbLoai.DisplayMember = "TenLoaiSanPham";
cbLoai.ValueMember = "MaLoaiSanPham";
txtMaSP.Text = maSP;
}
public void loaddgv()
{
dgvNCC.DataSource = ncc.loadNCC();
}