public float getSoDuConLaiLoaiTien(LoaiTien loaiTien)
{
float result = 0;
LoaiTienManagement loaiTienManagement = new LoaiTienManagement();
DonHangManagement donHangManagement = new DonHangManagement();
result = loaiTien.HanMuc.Value - donHangManagement.tongGiaTriGiaoDich(" where IDLoaiTien=" + loaiTien.ID + " and TrangThai=N'DaChuyenCoin'");
return(result);
}