二维数组或矩阵按照某一列排序

直接张贴代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data;

namespace ConsoleApplication8
{
    class Program
    {
        static void Main(string[] args)
        {
            double[,] values = new double[4, 2] { { 1, 3 }, { 4, 2 }, { 5, 8 }, { 7, 15 } };            
            print2screen(values);
            try { 
                sort2print(values,0);
            }
            catch {
                Console.WriteLine("sth wrong!!!!!!!!!!!!!!");
                Console.WriteLine("\n");
            }
            
        }

        private static void sort2print(double[,] values,int order)
        {
            Sort(values, order, "DESC");
            print2screen(values);
        }

        private static void print2screen(double[,] values)
        {
            for (int i = 0; i < values.GetLength(0); i++)
            {
                for (int k = 0; k < values.GetLength(1); k++)
                {
                    Console.Write(values[i, k]);
                    Console.Write("\t");
                }
                Console.Write("\n");
            }
            Console.WriteLine("\n");
        }

        /// <summary>
        /// A generic routine to sort a two dimensional array of a specified type based on the specified column.
        /// </summary>
        /// <param name="array">The array to sort.</param>
        /// <param name="sortCol">The index of the column to sort.</param>
        /// <param name="order">Specify "DESC" or "DESCENDING" for a descending sort otherwise
        /// leave blank or specify "ASC" or "ASCENDING".</param>
        /// <remarks>The original array is sorted in place.</remarks>
        /// <see cref="http://stackoverflow.com/questions/232395/how-do-i-sort-a-two-dimensional-array-in-c"/>
        private static void Sort<T>(T[,] array, int sortCol, string order)
        {
            int colCount = array.GetLength(1), rowCount = array.GetLength(0);
            if (sortCol >= colCount || sortCol < 0)
                throw new System.ArgumentOutOfRangeException("sortCol", "The column to sort on must be contained within the array bounds.");
            DataTable dt = new DataTable();
            // Name the columns with the second dimension index values, e.g., "0", "1", etc.
            for (int col = 0; col < colCount; col++)
            {
                DataColumn dc = new DataColumn(col.ToString(), typeof(T));
                dt.Columns.Add(dc);
            }
            // Load data into the data table:
            for (int rowindex = 0; rowindex < rowCount; rowindex++)
            {
                DataRow rowData = dt.NewRow();
                for (int col = 0; col < colCount; col++)
                    rowData[col] = array[rowindex, col];
                dt.Rows.Add(rowData);
            }
            // Sort by using the column index = name + an optional order:
            DataRow[] rows = dt.Select("", sortCol.ToString() + " " + order);
            for (int row = 0; row <= rows.GetUpperBound(0); row++)
            {
                DataRow dr = rows[row];
                for (int col = 0; col < colCount; col++)
                {
                    array[row, col] = (T)dr[col];
                }
            }
            dt.Dispose();
        }
    }
}

　　

参考：

1、C#实现对二维数组排序的方法