三层业务类（DAL）必用的通用方法之一

#region SqlDataReader => List
/// <summary>
/// author:Stone_W
/// date:2010.11.29
/// desc:SqlDataReader 转 List
/// </summary>
/// <param name="dr">SqlDataReader</param>
/// <returns>List</returns>
private static List<object> sqlDrToList(SqlDataReader dr)
{
    List<object> list = null;
    if (null != dr)
    {
        list = new List<object>();
        object o = new object();
        while (dr.Read())
        {
            ... // 业务
        }
    }
    return list;
}
#endregion