From: Soni, Aashit [mailto:aashit.Soni@networkgeneral.com]

typedef employee_set::index::type employee_set_by_ssn;

I'm not a seasoned user of the MultiIndex library but, looking at the documentation, it seems that the above should be written as: typedef employee_set::index<ssnumber>::type employee_set_by_ssn; HTH, ----------------------------- Éric A conclusion is the place where you got tired of thinking