Populating custom business objects by binding business objects to a GridView using the ObjectDataSource in ASP.NET 2.0

/*
 * This is the base class for all Businsess Objects
 * It Contains Common method for populating business object
*/
using System;
using System.Collections.Generic;
using System.Data;
using System.Reflection;
using System.Text;


   public abstract class AWBase
   {
       protected string SqlSelectString;
       protected Type BusObjectType;          
       protected List<AWBase> LoadData()
       {
           List<AWBase> _list = new List<AWBase>();
           DBHelper dbHelper = new DBHelper();
           //Get Data 
           DataTable dtBusinessObject = dbHelper.RetrieveTable(SqlSelectString);
           //Custom Attributes
           object[] attributes = BusObjectType.GetCustomAttributes(typeof(MapInfo), false);
           //Loop through all records in Table
           if (dtBusinessObject != null && dtBusinessObject.Rows.Count > 1)
           {
               for (int introw = 0; introw < dtBusinessObject.Rows.Count; introw++)
               {
                   AWBase busObject = (AWBase)Activator.CreateInstance(BusObjectType);
                   //loop through all custom attributes
                   for (int i = 0; i < attributes.Length; i++)
                   {
                       MapInfo mapinfo = (MapInfo)attributes[i];
                       object DBValue = dtBusinessObject.Rows[introw][mapinfo.DBFieldName];
                       PropertyInfo pinfo = BusObjectType.GetProperty(mapinfo.ObjPropertyName);                       
                       pinfo.SetValue(busObject, DBValue.GetType() == typeof(DBNull) ? null: DBValue, null);
                   }
                   _list.Add(busObject);
               }
           }
           return _list;
       }       
   }