int temp;            int[] a = { 2, 5, 8, 9, 10, 11, 7, 6 };            for (int i = 0; i < a.Length-1; i++) {  //总共的次数                for (int j = 0; j 
     
       a[j+1]) {  //如果后一项比第一项大 则把最大数放在前面                        temp = a[j];                        a[j] = a[j+1];                        a[j+1] = temp;                                        }                                   }                          }            for (int i = 0; i < a.Length; i++)            {                Console.WriteLine(a[i]);            }            Console.ReadKey();