public static bool KiemTraSLT(string MaSP, int SL)
{
DataTable dt = SanPhamBUS.DanhSachSPTheoMa(MaSP);
int soluongton = 0, hieu;
foreach (DataRow row in dt.Rows)
{
soluongton = (int)row["SoLuongTon"];
}
hieu = soluongton - SL;
if (hieu < 0)
{
return(false);
}
else
{
return(true);
}
}
public bool suaSL(DataTable dtChiTietDonHang)
{
foreach (DataRow CTDonHang in dtChiTietDonHang.Rows)
{
SanPhamPublic SP = new SanPhamPublic();
SanPhamBUS spbus = new SanPhamBUS();
try
{
SP.MASP = CTDonHang.Field <string>("MaSP");
int slcu = spbus.LaySanPham(SP).SOLUONG;
int slt = CTDonHang.Field <int>("SoLuong");
SP.SOLUONG = slcu - slt;
spbus.capnhatsoluong(SP);
}
catch (Exception ex)
{
throw ex;
}
}
return(true);
}