yarshray is showing you how to use the true 2-d array, if you want jagged 2-d array, try something like:int[][] ary=new int[][]{new int[]{1,2,3},new int[]{4,5,6}}; int[] a1=ary[1];for (int i=0; i < a1.Length; i++) System.Console.WriteLine(a1[i]);//output 4,5,6
int[] a1=ary[1];for (int i=0; i < a1.Length; i++)
System.Console.WriteLine(a1[i]);//output 4,5,6
int a1=ary[2,3];或是:int[][] ary=new int[][]{new int[]{1,2,3},new int[]{4,5,6}};
int[] a1=ary[1];
或者用循环得到数据总之第一维的index不能为2
第二维的index不能为3