public static IList<T> ToList<T>(this System.Data.SqlClient.SqlDataReader dr) where T : new()
       {
           Type type = typeof(T);
           if(System.Web.HttpContext.Current.Cache[type.Name + "_properties"] == null)
           {
               System.Web.HttpContext.Current.Cache.Insert(type.Name + "_properties", type.GetProperties().ToList());
           }
           IList<PropertyInfo> properties = (IList<PropertyInfo>)System.Web.HttpContext.Current.Cache[type.Name + "_properties"];
           IList<T> result = new List<T>();
           while(dr.Read())