LinQ.OrderBy 多個字段排序

剛開始這樣   

var StaffLists = StaffList.OrderBy(_ => _.TeamName).OrderBy(_=>_.UserName).ToList()// 排序完全是按照后面UserName排序的跟前面的TeamName字段沒關系；

 

改為

var StaffLists = StaffList.OrderBy(_ => _.TeamName).ThenBy(_=>_.UserName).ToList();