/// <summary>
        /// 
        /// </summary>
        /// <param name="SymbolID"></param>
        /// <returns></returns>
        internal List<Business.IGroupSymbol> GetIGroupSymbolBySymbolID(int SymbolID)
        {
            List<Business.IGroupSymbol> Result = new List<Business.IGroupSymbol>();
            System.Data.SqlClient.SqlConnection conn = new System.Data.SqlClient.SqlConnection(DBConnection.DBConnection.Connection);
            DSTableAdapters.IGroupSymbolTableAdapter adap = new DSTableAdapters.IGroupSymbolTableAdapter();
            DS.IGroupSymbolDataTable tbIGroupSymbol = new DS.IGroupSymbolDataTable();

            try
            {
                conn.Open();
                adap.Connection = conn;
                tbIGroupSymbol = adap.GetIGroupSymbolByIGroupSymbolID(SymbolID);

                if (tbIGroupSymbol != null)
                {
                    int count = tbIGroupSymbol.Count;
                    for (int i = 0; i < count; i++)
                    {
                        Business.IGroupSymbol newIGroupSymbol = new Business.IGroupSymbol();
                        newIGroupSymbol.IGroupSymbolID = tbIGroupSymbol[i].IGroupSymbolID;
                        newIGroupSymbol.InvestorGroupID = tbIGroupSymbol[i].InvestorGroupID;
                        newIGroupSymbol.SymbolID = tbIGroupSymbol[i].SymbolID;

                        Result.Add(newIGroupSymbol);
                    }
                }
            }
            catch (Exception ex)
            {
                return null;
            }
            finally
            {
                adap.Connection.Close();
                conn.Close();
            }

            return Result;
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="IGroupSymbolID"></param>
        /// <returns></returns>
        internal Business.IGroupSymbol GetIGroupSymbolByIGroupSymbolID(int IGroupSymbolID)
        {
            Business.IGroupSymbol Result = new Business.IGroupSymbol();
            System.Data.SqlClient.SqlConnection conn = new System.Data.SqlClient.SqlConnection(DBConnection.DBConnection.Connection);
            DSTableAdapters.IGroupSymbolTableAdapter adap = new DSTableAdapters.IGroupSymbolTableAdapter();
            DS.IGroupSymbolDataTable tbIGroupSymbol = new DS.IGroupSymbolDataTable();

            try
            {
                conn.Open();
                adap.Connection = conn;
                tbIGroupSymbol = adap.GetIGroupSymbolByIGroupSymbolID(IGroupSymbolID);

                if (tbIGroupSymbol != null)
                {
                    Result.IGroupSymbolID = tbIGroupSymbol[0].IGroupSymbolID;
                    Result.InvestorGroupID = tbIGroupSymbol[0].InvestorGroupID;
                    Result.SymbolID = tbIGroupSymbol[0].SymbolID;
                }
            }
            catch (Exception ex)
            {
                return null;
            }
            finally
            {
                adap.Connection.Close();
                conn.Close();
            }

            return Result;
        }