public BindingSource GetList(Investor anInvestor)
        {
            InvestmentGroupDetailDataHelper DH = new InvestmentGroupDetailDataHelper();
            BindingSource BS = new BindingSource();
            Hashtable     HT = new Hashtable();

            List <InvestmentGroupDetail> myList = DH.SelectByInvestorID(anInvestor.ID);

            try
            {
                if (myList != null)
                {
                    foreach (var item in myList)
                    {
                        if (item.State == EntityState.Enabled)
                        {
                            HT.Add(item.ID, item.ID);
                        }
                    }
                }
                HT.Add(-1, "Select Grouped Investment");
            }
            catch (NullReferenceException ex)
            {
                throw ex;
            }


            BS.DataSource = HT;
            return(BS);
        }