x_蜡笔小新

摘要： //查询List是否含有某个值 bool IsContains = Lists.Exists((x)=>x=="B11"); //List重新排序 List arr = new List() { 11, 2, 13, 4, 5, 6, 7 };//1. var re =arr.OrderBy(g => g);//2. var ree = from g in arr orderby g... 阅读全文