private void Frm_QuanLySanPham_Load(object sender, EventArgs e) { bd = new BLL_QuanLySanPham(); HienThiDanhSachSanPham(); }
private void Frm_XemBaoCao_Load(object sender, EventArgs e) { bd = new BLL_QuanLySanPham(); LoadConbo(); HienThiReport("cboLoaiSanPham.SelectedValue.ToString()"); }