public class SimpleObject
        {
            private int _key;

            public int Key
            {
                get { return _key; }
                set { _key = value; }
            }
            private string _value;

            public string Value
            {
                get { return _value; }
                set { _value = value; }
            }

        }

private void Test()
{

   //BLToolkit.Data.DbManager Dm = 
   string Query = @"select 0 as [Key], 'value0' as Value union 
                    select 1 as [Key], 'value1' as Value union 
                    select 2 as [Key], 'value2' as Value";
   List<SimpleObject> SOL = new List<SimpleObject>();
   Dm.SetCommand(Query).ExecuteList<SimpleObject>(SOL);
   MessageBox.Show(SOL.Count.ToString()); // SOL.Count = 0


   SOL = (List<SimpleObject>)Dm.SetCommand(Query).ExecuteList<SimpleObject>();
   MessageBox.Show(SOL.Count.ToString()); // SOL.Count = 3
}