public bool addCTHDChi(CT_HoaDonChi cthdChi)
{
try
{
da = new QLCafeDataContext();
da.CT_HoaDonChis.InsertOnSubmit(cthdChi);
da.SubmitChanges();
return(true);
}
catch (Exception ex) { throw new Exception(ex.Message); }
}
public bool deleteCTHDChi(string maHD, string maNL)
{
try
{
da = new QLCafeDataContext();
CT_HoaDonChi hd = da.CT_HoaDonChis.Where(o => o.maHDC == maHD && o.maNL == maNL).FirstOrDefault();
da.CT_HoaDonChis.DeleteOnSubmit(hd);
da.SubmitChanges();
return(true);
}
catch
{
return(false);
}
}
