Welcome to the NPoco! NPoco is a fork of PetaPoco based on Schotime's branch with a handful of extra features.
publicclassUser{publicintUserId{get;set;}publicstringEmail{get;set;}}IDatabasedb=newDatabase("connStringName");List<User>users=db.Fetch<User>("select userId, email from users");This works by mapping the column names to the property names on the User object. This is a case-insensitive match.
There is no mapping setup needed for this (query only) scenario.
Checkout the Wiki for more documentation.