摘要:
分享下个人的数据访问层,欢迎大家一起来探讨!DBHelper.csView Code namespace Zhy.DalClass.Provider{ using System; using System.Text; using Zhy.Factory; using System.Data; using Zhy.DalClass.DS; using System.Data.Common; public sealed class DBHelper { private static IDataBaseProvider Provider ... 阅读全文