List转换DataTable

public static class IListUtil
{
    /// <summary>
    /// 将集合类转换成DataTable 
    /// </summary>
    /// <param name="list">集合</param>
    /// <returns></returns>
    public static DataTable AsDataTable<T>(this IList<T> list)
    {
        DataTable result = new DataTable();
        if (list.Count > 0)
        {
            PropertyInfo[] propertys = typeof(T).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 (var item in propertys)
                {
                    object obj = item.GetValue(list[i], null);
                    tempList.Add(obj);
                }

                object[] array = tempList.ToArray();
                result.LoadDataRow(array, true);
            }
        }
        return result;
    }


}