public DataSet GetHeaderMapping(int mapType, string rtaType)
        {
            DataSet dsHeaderMapping;
            OfflineIPOBackOfficeDao OfflineIPOBackOfficeDao = new OfflineIPOBackOfficeDao();

            try
            {
                dsHeaderMapping = OfflineIPOBackOfficeDao.GetHeaderMapping(mapType, rtaType);
            }
            catch (BaseApplicationException Ex)
            {
                throw Ex;
            }
            catch (Exception Ex)
            {
                BaseApplicationException exBase       = new BaseApplicationException(Ex.Message, Ex);
                NameValueCollection      FunctionInfo = new NameValueCollection();
                FunctionInfo.Add("Method", "OfflineIPOBackOfficeBo.cs:GetOfflineIPOOrderBook()");
                object[] objects = new object[0];
                FunctionInfo = exBase.AddObject(FunctionInfo, objects);
                exBase.AdditionalInformation = FunctionInfo;
                ExceptionManager.Publish(exBase);
                throw exBase;
            }
            return(dsHeaderMapping);
        }