public List <KeyValuePair <string, string> > GetValueTypes()
        {
            List <KeyValuePair <string, string> > items = new List <KeyValuePair <string, string> >();

            using (SqlDataReader reader = ObjectAttribute.GetAllValueTypes())
            {
                while (reader.Read())
                {
                    items.Add(new KeyValuePair <string, string>(Convert.ToString(reader["Name"]), Convert.ToString(reader["ValueTypeID"])));
                }
            }

            return(items);
        }