private static bool IgnorThis(SupplierAddress target, string parentFilter)
        {
            bool result = true;

            parentFilter = parentFilter.Replace(" ", "");                       // remove spaces
            parentFilter = parentFilter.Replace("'", "");                       // remove '
            string [] parsed = parentFilter.Split('=');                         // parse

            if (target.SupplierId == Guid.Empty)
            {
                PropertyInfo pi          = target.GetType().GetProperty(parsed[0]);
                string       filterField = (string)pi.GetValue(target, null);
                if (filterField.ToLower() == parsed[1].ToLower())
                {
                    result = false;
                }
            }
            else
            {
                SupplierAddress parentTemplate = SupplierAddress.Load(target.SupplierId);
                result = IgnorThis(parentTemplate, parentFilter);
            }
            return(result);
        }