排序

using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;

namespace Sort
{
    public class Class2 : IComparable
    {
       private ArrayList column1;
       public ArrayList Column1
        {
            get
            {
                return column1;
            }
            set
            {

                column1 = value;
            }
        }

        private string column2;
        public string Column2
        {
            get
            {
                return column2;
            }
            set
            {

                column2 = value;
            }
        }

        private string column3;
        public string Column3
        {
            get
            {
                return column3;
            }
            set
            {

                column3 = value;
            }
        }

       public int CompareTo(object obj)
       {
           //ﾅﾐｶﾏｱﾈｽﾏｶﾔﾏﾇｷﾇStudentｶﾔﾏ・
           if (!(obj is Class2))
               throw new Exception("ﾖｻﾄﾜﾓ・Student ｶﾔﾏﾈｽﾏ");
           //ｽｫｲﾎﾊﾗｪｻｻﾎｪStudentｶﾔﾏ・
           Class2 other = obj as Class2;
           //ｱﾈｽﾏｺｵｻﾘｽ盪・
           return this.Column3.CompareTo(other.Column3);
       }

    }
}

 List<Class2> cl222 = new List<Class2>();
                  cl2.Column1 = cl[j].Column1;
                  cl2.Column2 = cl[j].Column2;
                  cl2.Column3 = cl[j].Column3;
                  Class2 cl2 = new Class2();
                  cl222.Add(cl2);
                  cl222.Sort();

  DataView vw = dt.DefaultView;
                vw.Sort = "11,12 asc";
vm.toTable();

    System.Data.DataView vw = undt.DefaultView;
                vw.Sort = "USER_NAME_KANA asc";
                DataTable dt = new DataTable();
                dt = vw.ToTable();
                return dt;