转载：利用.NET中的反射机制实现IList到DataTable的转换

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Collections;
using System.Reflection;

namespace KycBaseModule
{
    public class KycFunction
    {
        public KycFunction() { }
        /// <summary>
        /// 实现对IList到DataSet的转换
        /// </summary>
        /// <param name="ResList">待转换的IList</param>
        /// <returns>转换后的DataSet</returns>
        public static DataSet ListToDataSet(IList ResList)
        {
            DataSet RDS=new DataSet();
            DataTable TempDT = new DataTable();

            //此处遍历IList的结构并建立同样的DataTable
            System.Reflection.PropertyInfo[] p = ResList[0].GetType().GetProperties();
            foreach (System.Reflection.PropertyInfo pi in p)
            {
                TempDT.Columns.Add(pi.Name,System.Type.GetType(pi.PropertyType.ToString()));
            }

            for (int i = 0; i < ResList.Count; i++)
            {
                IList TempList = new ArrayList();
                //将IList中的一条记录写入ArrayList
                foreach (System.Reflection.PropertyInfo pi in p)
                {
                    object oo = pi.GetValue(ResList[i], null);
                    TempList.Add(oo);
                }
                
                object[] itm=new object[p.Length];
                //遍历ArrayList向object[]里放数据
                for (int j = 0; j < TempList.Count; j++)
                {
                    itm.SetValue(TempList[j], j);
                }
                //将object[]的内容放入DataTable
                    TempDT.LoadDataRow(itm, true);
            }
            //将DateTable放入DataSet
            RDS.Tables.Add(TempDT);
            //返回DataSet
            return RDS;
        }
    }
}