Number Lottery Director only allow a number be drawn once when running lottery. Number Lottery Director will draw winners randomly from number group exclude numbers already drawn.
There are 2 columns in grid in 'Number Management' window: 'Number' and 'Number Name'. Data in column 'Number' is the identifier of a record, if 2 records have same data in column 'Number', they will be treat as duplicate numbers. Please make sure that the data in column 'Number' in all records are different.
