First of all i suggest you to the KB article: How to select rows via an unbound checkbox column. Starting with version 13.2, the GridView in the XtraGrid control provides a built-in checkbox column for multiple row selection.
Is there a minimum age to raft or upper age limit? A. 7-years-old for the Classic and 12-years-old for the Challenge. While there is no upper age-limit, we expect everyone to reasonably evaluate his or her fitness level before taking a whitewater rafting trip.
Anyone wanting to operate a boat should take a boater education course. There is no age limit on who can take the course; however, that person should be able to follow the course material and understand its meaning. Missouri law states the operator of a boat must be 14 years or older unless accompanied by an adult.