private void frmChonBaoCao_Load(object sender, EventArgs e)
{
loaispnbus = new LoaiSP_BUS();
lsloaiSP = loaispnbus.DanhSachLoaiSP();
cboSPtheoLoai.DataSource = lsloaiSP;
cboSPtheoLoai.DisplayMember = "TenLoaiSP";
cboSPtheoLoai.ValueMember = "MaLoaiSP";
//load danh sach san pham
sanpham = new SanPham_BUS();
lsSP = sanpham.DanhSachSanPham();
}
private void LoadDSSP()
{
lsSP = spBUS.DanhSachSanPham();
dgvSP.DataSource = lsSP;
}