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 obj;
        try
        {
            while (dr.Read())
            {
                ... // 业务
            }
        }
        catch (Exception ex) { }
        finally
        {
            if (null != dr && dr.IsClosed == false)
            {
                dr.Close();
            }
        }
    }
    return list;
}
#endregion