How to map Bit datatype

BIZ TMS Aurelius
1
using ms sql server, i have table with field name isActive
    isActive : Bit
mapped as 
    [Column('isActive', [])]
    FisActive: Nullable<Boolean>;
when i retreive the data i get the error "Conversion failed when converting nvchar value 'T' to datatype bit".
how to map or deal with Bit Datatype in Aurelius ?
i use Aurelius v 4 and driver mode to access the ms sql server database.
Thanks,
Ahmed
2

i solved it by setting  MSSQL dialect UseBoolean property to true