求一个简单的数组排序方法
有一个二维数组(str[4][1]),数据如下:
name order
one 3
two 2
three 5
four 1
five 4
我想在程序里面进行排序,得到一下结果:
three 5
five 4
one 3
two 2
four 1
请问如何实现该排序?
问题点数:20、回复次数:4Top
1 楼BestCoding(求学者)回复于 2006-03-09 14:56:08 得分 0
高手帮帮忙啊~~想了很久都不知道怎么解决!Top
2 楼vivianfdlpw()回复于 2006-03-09 15:15:05 得分 10
public class MyComparer : System.Collections.IComparer
{
#region IComparer Members
public int Compare(object x, object y)
{
return Convert.ToInt32(y)-Convert.ToInt32(x);
}
#endregion
}
string[] arr1 = new string[5];
int[] arr2 = new int[5];
arr1[0] = "one"; arr2[0] = 3;
arr1[1] = "two"; arr2[1] = 2;
arr1[2] = "three"; arr2[2] = 5;
arr1[3] = "four"; arr2[3] = 1;
arr1[4] = "five"; arr2[4] = 4;
Array.Sort(arr2, arr1, new MyComparer());
for (int i = 0; i < arr1.Length; i++)
{
Response.Write(arr1[i].ToString() + ":" + arr2[i].ToString()+"<br>");
}
Top
3 楼BestCoding(求学者)回复于 2006-03-09 18:41:56 得分 0
假设把数组换成DataTable呢,该如何操作?
模拟数据如下:
name loc dis ord
one L Y 3
two L Y 4
three L Y 1
four L Y 5
five L Y 2
根据ord排序,得到一下结果:
four L Y 5
two L Y 4
one L Y 3
five L Y 2
three L Y 1
这个排序如何在程序里实现呢?Top
4 楼xiaohuasz()回复于 2006-03-09 19:08:38 得分 10
DataView dv = DataTable1.DefaultView;
dv.Sort = "ord DESC";Top




