public bool MuaHang(int maKH, int maNV, DateTime thoigian, Dictionary <int, int> hangmua)
{
bool result = true;
if (KiemTraDuHang(hangmua))
{
//sua lai so luong hang
foreach (int maHH in hangmua.Keys)
{
HangHoa hang = _dalHangHoa.GetRow(maHH);
hang.SoLuong = hang.SoLuong - hangmua[maHH];
_dalHangHoa.Sua(hang);
}
KhachHang khachang = _dalKhachHang.GetRow(maKH);
float tong = TinhTongTien(maKH, hangmua);
int maHD = _dalHoaDon.GetNextID();
//them HoaDon
_dalHoaDon.Them(new HoaDon(maHD, maKH, maNV, thoigian, tong));
//them ChiTietHoaDon
foreach (int maHH in hangmua.Keys)
{
_dalChiTietHoaDon.Them(new ChiTietHoaDon(maHD, maHH, _dalHangHoa.GetRow(maHH).DonGia, hangmua[maHH]));
}
khachang.SoDiem = khachang.SoDiem + (int)tong / 100000 * 10;
_dalKhachHang.Sua(khachang);
MessageBox.Show("Giao dịch thành công!");
}
else
{
result = false;
}
return(result);
}
public void Them(DTO_HoaDon MaHD)
{
DAL_HoaDon DAL = new DAL_HoaDon();
DAL.Them(MaHD);
}