public void AddPenjualanLain(DateTime dateLain, double nominalLain) { var newSalesLain = new PenjualanLain(dateLain, nominalLain); bool checktgl = _itemsPenjualanLain.Where(x => x.TanggalLain == dateLain).Count() == 0 ? true : false; if (checktgl) this._itemsPenjualanLain.Add(newSalesLain); else throw new DateAlreadyExistException(); Calculate(); }
public void AddPenjualanLain(DateTime dateLain, double nominalLain) { var newSalesLain = new PenjualanLain(dateLain, nominalLain); bool checktgl = _itemsPenjualanLain.Where(x => x.TanggalLain == dateLain).Count() == 0 ? true : false; if (checktgl) { this._itemsPenjualanLain.Add(newSalesLain); } else { throw new DateAlreadyExistException(); } Calculate(); }