private IEnumerable <CommenceFieldMetaData> GetFieldMetaData(string categoryName, IEnumerable <string> fields)
{
foreach (string fieldName in fields)
{
ICommenceFieldDefinition d = _db.GetFieldDefinition(categoryName, fieldName);
CommenceFieldMetaData f = new CommenceFieldMetaData(fieldName, d);
yield return(f);
}
}