private string[] GetEntityProperties(string select)
{
IEnumerable <string> selectItems = select
.Split(',', StringSplitOptions.RemoveEmptyEntries)
.Select(item => item.Trim());
IEnumerable <string> items = EntityProperties
.Where(item => selectItems.Contains(item, StringComparer.InvariantCultureIgnoreCase));
return(items.ToArray());
}