Ilist<T> 转换成 DataSet

using System;using System.Data;
public class NHibernateHelper
{    /**//// <summary> 
   /// Ilist<T> 转换成 DataSet   
 /// </summary>    
/// <param name="list"></param>    
/// <returns></returns>   
 public static DataSet ConvertToDataSet<T>(IList<T> list)  
  {        if (list == null || list.Count <= 0)     
   {            
return null;       
 }        DataSet ds = new DataSet();        DataTable dt = new DataTable(typeof(T).Name);        DataColumn column;        DataRow row;        System.Reflection.PropertyInfo[] myPropertyInfo = typeof(T).GetProperties(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance);        foreach (T t in list)        {            if (t == null)            {                continue;            }            row = dt.NewRow();            for (int i = 0, j = myPropertyInfo.Length; i < j; i++)            {                System.Reflection.PropertyInfo pi = myPropertyInfo[i];                string name = pi.Name;                if (dt.Columns[name] == null)                {                    column = new DataColumn(name, pi.PropertyType);                    dt.Columns.Add(column);                }                row[name] = pi.GetValue(t, null);            }            dt.Rows.Add(row);        }        ds.Tables.Add(dt);        return ds;    }