you can add the PrinicpalPermission attribute multiple times.
[PrincipalPermission(SecurityAction.Demand, Role="Admin")]
[PrincipalPermission(SecurityAction.Demand, Role="AnotherRole")]
you can add the PrinicpalPermission attribute multiple times.
[PrincipalPermission(SecurityAction.Demand, Role="Admin")]
[PrincipalPermission(SecurityAction.Demand, Role="AnotherRole")]