C#中List转DataTable方法

/// <summary>
          /// 将集合类转换成DataTable
         /// </summary>
         /// <param name="list">集合</param>
          /// <returns></returns>
          public static DataTable ToDataTable(IList list)
          {
              DataTable result = new DataTable();
              if (list.Count > 0)
              {
                 PropertyInfo[] propertys = list[0].GetType().GetProperties();
                  foreach (PropertyInfo pi in propertys)
                  {
                      result.Columns.Add(pi.Name, pi.PropertyType);
                  }
  
                  for (int i = 0; i < list.Count; i++)
                 {
                      ArrayList tempList = new ArrayList();
                      foreach (PropertyInfo pi in propertys)
                      {
                          object obj = pi.GetValue(list[i], null);
                          tempList.Add(obj);
                      }
                      object[] array = tempList.ToArray();
                      result.LoadDataRow(array, true);
                  }
              }
              return result;
         }