BookShop/BLL/BookShop_Snapshot.cs

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using System;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using System.Collections.Generic;

using BookShop.Model;
using BookShop.Data;


namespace BookShop
{

    /// <summary>
    ///	订单快照信息表
    ///	BLL逻辑层 BookShop_Snapshot
    /// 主要完成对DAL层的调用
    ///	2013-09-28 14:00:07
    /// </summary>
    public class SnapshotBLL
    {
        #region #Method
        /// <summary>
        /// 全局变量
        /// </summary>
        private static SnapshotProvider DAL = SnapshotProvider.GetInstance();


        /// <summary>
        /// 根据条件判断是否存在
        /// </summary>
        /// <param name="condition">条件</param>
        /// <returns></returns>
        public static bool ExistSnapshot(string condition)
        {
            return DAL.ExistSnapshot(condition);
        }

        /// <summary>
        /// 增加一条记录
        /// </summary>
        /// <param name="model">类实体</param>
        /// <returns></returns>
        public static int AddSnapshot(Model.Snapshot model)
        {
            return DAL.AddSnapshot(model);
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        /// <param name="model">类实体</param>
        /// <returns></returns>
        public static bool UpdateSnapshot(Model.Snapshot model)
        {
            return DAL.UpdateSnapshot(model);
        }

        /// <summary>